diff --git a/wizard-work/ledger/2026-10-30-file-tree-census.csv b/wizard-work/ledger/2026-10-30-file-tree-census.csv
new file mode 100644
index 0000000..6a33362
--- /dev/null
+++ b/wizard-work/ledger/2026-10-30-file-tree-census.csv
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diff --git a/wizard-work/ledger/2026-10-30-file-tree-census.json b/wizard-work/ledger/2026-10-30-file-tree-census.json
new file mode 100644
index 0000000..f2d0a30
--- /dev/null
+++ b/wizard-work/ledger/2026-10-30-file-tree-census.json
@@ -0,0 +1,2283 @@
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+}
\ No newline at end of file
diff --git a/wizard-work/ledger/2026-10-30-file-tree-census.md b/wizard-work/ledger/2026-10-30-file-tree-census.md
new file mode 100644
index 0000000..2cb8ef0
--- /dev/null
+++ b/wizard-work/ledger/2026-10-30-file-tree-census.md
@@ -0,0 +1,599 @@
+# 2026-10-30 — committed file-tree census of wizard-work/ledger/' (HEAD d6a89e75c83268f38b3dcc42a4b329dcb452fcea)
+
+Source of truth: `git ls-tree -r HEAD`. "Files" = blob objects in the committed tree;
+untracked files are excluded. Scope: `wizard-work/ledger/`. Every figure is re-derived by the CHECK
+script from git itself, so the artifact cannot drift silently.
+
+## Summary
+
+| figure | value |
+|---|---|
+| committed files (blobs) | 525 |
+| committed bytes | 13433270 |
+| revision | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+
+## By directory
+
+| name | count | bytes |
+|---|---|---|
+| (root) | 354 | 10061696 |
+| 2026-10-29-queue-ledger | 18 | 137913 |
+| 2026-10-28-checkin-census | 13 | 81927 |
+| 2026-10-28-workqueue-census | 9 | 146831 |
+| 2026-10-29-albums-census | 9 | 18291 |
+| 2026-10-29-jsonplaceholder-census | 9 | 19715 |
+| 2026-10-24-countries-gdp-nominal | 7 | 116246 |
+| 2026-10-25-git-history-live-b1edd09 | 7 | 1870569 |
+| 2026-10-25-head-20-commits | 7 | 26543 |
+| 2026-10-28-arxiv-csai-recent | 7 | 126036 |
+| 2026-10-28-directory-census | 7 | 35717 |
+| workqueue-census | 7 | 101831 |
+| 2026-10-28-commits-by-author | 6 | 10517 |
+| workqueue-census-v2 | 6 | 115436 |
+| 2026-10-22-top-ml-repos | 5 | 11101 |
+| 2026-10-22-top-repos-by-stars | 5 | 12688 |
+| 2026-10-28-recovery-registry | 5 | 28458 |
+| 2026-10-29-checkin-census | 5 | 66015 |
+| 2026-10-29-commit-author-census | 5 | 6387 |
+| 2026-10-29-workqueue-census | 5 | 176906 |
+| gdp-us-states-2026-10-23 | 5 | 39479 |
+| top-50-repos-by-stars | 5 | 42171 |
+| 2026-10-22-media-catalog | 4 | 5354 |
+| 2026-10-24-job-postings | 4 | 157003 |
+| 2026-10-28-git-tree-census | 4 | 4622 |
+| 2026-10-28-wizardwork-census | 4 | 3195 |
+| 2026-10-26-top-20-economies-gdp-2024 | 2 | 2742 |
+| source | 1 | 7881 |
+| **total** | **525** | **13433270** |
+
+## By extension
+
+| name | count | bytes |
+|---|---|---|
+| py | 152 | 556281 |
+| md | 122 | 1478874 |
+| csv | 86 | 4169715 |
+| json | 72 | 5485205 |
+| tsv | 44 | 1435131 |
+| (no-ext) | 31 | 95003 |
+| sh | 5 | 4787 |
+| txt | 5 | 71876 |
+| awk | 2 | 1329 |
+| xml | 2 | 107876 |
+| CHECK | 1 | 2850 |
+| jsonl | 1 | 22670 |
+| md5 | 1 | 57 |
+| test | 1 | 1616 |
+| **total** | **525** | **13433270** |
+
+## Flat manifest
+
+| rel_path | size_bytes | head_sha |
+|---|---|---|
+| .oldchk.test | 1616 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-21-repo-census.md | 3299 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-22-media-catalog/README.md | 1152 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-22-media-catalog/extraction_manifest.json | 510 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-22-media-catalog/media_catalog.csv | 1255 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-22-media-catalog/verify.sh | 2437 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-22-top-ml-repos/README.md | 1078 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-22-top-ml-repos/repos.csv | 1802 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-22-top-ml-repos/repos.json | 3524 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-22-top-ml-repos/repos.md | 2404 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-22-top-ml-repos/verify.py | 2293 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-22-top-repos-by-stars/README.md | 2941 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-22-top-repos-by-stars/repos.csv | 1822 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-22-top-repos-by-stars/repos.json | 4257 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-22-top-repos-by-stars/repos.md | 2394 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-22-top-repos-by-stars/verify.py | 1274 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-23-jpv-users.csv | 1143 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-23-jpv-users.json | 2444 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-23-jpv-users.md | 1364 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-23-jpv-users.raw.json | 5645 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-24-countries-gdp-nominal/countries_gdp_nominal.csv | 6403 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-24-countries-gdp-nominal/countries_gdp_nominal.json | 35729 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-24-countries-gdp-nominal/countries_gdp_nominal.md | 9299 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-24-countries-gdp-nominal/extract.py | 8210 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-24-countries-gdp-nominal/extraction_manifest.json | 662 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-24-countries-gdp-nominal/fetch_raw_wikitext.txt | 53399 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-24-countries-gdp-nominal/verify.py | 2544 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-24-job-postings/README.md | 595 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-24-job-postings/jobs.csv | 154681 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-24-job-postings/manifest.json | 545 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-24-job-postings/verify.py | 1182 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-25-git-history-README.md | 1368 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-25-git-history-live-b1edd09/CHECK | 654 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-25-git-history-live-b1edd09/README.md | 837 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-25-git-history-live-b1edd09/extract_git_history_live.py | 7247 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-25-git-history-live-b1edd09/git-history.csv | 729183 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-25-git-history-live-b1edd09/git-history.json | 1119552 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-25-git-history-live-b1edd09/git-history.md | 9306 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-25-git-history-live-b1edd09/verify_git_history.py | 3790 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-25-git-history.csv | 733494 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-25-git-history.json | 1223459 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-25-git-history.md | 9339 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-25-head-20-commits/CHECK | 349 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-25-head-20-commits/README.md | 1059 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-25-head-20-commits/commits.json | 9309 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-25-head-20-commits/commits.md | 4318 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-25-head-20-commits/commits.tsv | 4454 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-25-head-20-commits/commits_detail.tsv | 2553 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-25-head-20-commits/verify_head_commits.py | 4501 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-25-workqueue-census.md | 16464 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-25-workqueue-census.tsv | 15694 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-26-commit-census-as-of-HEAD.md | 2119 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-26-commit-census-as-of-HEAD.tsv | 461 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-26-commit-census.md | 1106 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-26-commit-census.tsv | 460 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-26-top-20-economies-gdp-2024/top-20-economies-2024.md | 1350 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-26-top-20-economies-gdp-2024/verify.sh | 1392 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-27-checkin-census.md | 1516 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-27-checkin-census.tsv | 150 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-27-commit-census.csv | 487 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-27-commit-census.md | 1561 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-27-commit-census.py | 3583 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-27-commit-census.tsv | 487 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-arxiv-csai-recent/CHECK | 305 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-arxiv-csai-recent/README.md | 1097 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-arxiv-csai-recent/arxiv_csai_recent.json | 19329 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-arxiv-csai-recent/arxiv_csai_recent.md | 11519 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-arxiv-csai-recent/arxiv_csai_recent.tsv | 15828 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-arxiv-csai-recent/raw_api.xml | 72428 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-arxiv-csai-recent/reverify.py | 5530 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-checkin-census/CHECK | 6801 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-checkin-census/_dbg2.py | 443 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-checkin-census/_dbg3.py | 624 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-checkin-census/_dbg4.py | 892 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-checkin-census/_dbg5.py | 1089 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-checkin-census/_dbg6.py | 951 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-checkin-census/_dbg7.py | 1201 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-checkin-census/_dbg8.py | 1289 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-checkin-census/checkin-census-2026-10-28.json | 35832 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-checkin-census/checkin-census-2026-10-28.md | 9809 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-checkin-census/checkin-census-2026-10-28.tsv | 7402 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-checkin-census/extract_checkin_census_2026-10-28.py | 7794 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-checkin-census/extract_checkin_census_2026_10_28.py | 7800 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-commits-by-author/CHECK | 515 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-commits-by-author/commits_by_author.csv | 460 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-commits-by-author/commits_by_author.json | 1954 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-commits-by-author/commits_by_author.md | 1043 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-commits-by-author/extract_commits_by_author.py | 3271 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-commits-by-author/verify_commits_by_author.py | 3274 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-directory-census/CHECK | 2871 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-directory-census/README.md | 1463 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-directory-census/directory-census.md | 9382 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-directory-census/directory-census.tsv | 7904 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-directory-census/extract_directory_census.py | 5357 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-directory-census/manifest.json | 270 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-directory-census/namespace-buckets.tsv | 8470 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-git-tree-census/CHECK | 2024 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-git-tree-census/README.md | 1711 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-git-tree-census/derive.awk | 669 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-git-tree-census/wizardwork-census.tsv | 218 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-recovery-registry/CHECK | 4749 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-recovery-registry/extract_recoveries_registry.py | 4520 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-recovery-registry/manifest.json | 835 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-recovery-registry/recoveries-registry.md | 9831 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-recovery-registry/recoveries-registry.tsv | 8523 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-wizardwork-census/CHECK | 1505 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-wizardwork-census/derive.awk | 660 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-wizardwork-census/wizardwork-census.md | 812 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-wizardwork-census/wizardwork-census.tsv | 218 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-workqueue-census/CHECK | 18847 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-workqueue-census/README.md | 1729 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-workqueue-census/_debug.py | 920 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-workqueue-census/check_workqueue_census.py | 18847 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-workqueue-census/extract_manifest.json | 985 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-workqueue-census/extract_workqueue_census.py | 10320 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-workqueue-census/manifest.json | 355 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-workqueue-census/workqueue-census.md | 48270 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-28-workqueue-census/workqueue-census.tsv | 46558 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-albums-census/CHECK | 237 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-albums-census/README.md | 703 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-albums-census/albums.csv | 4347 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-albums-census/albums_by_user.csv | 69 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-albums-census/albums_by_user.json | 671 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-albums-census/albums_by_user.md | 145 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-albums-census/extract_albums.py | 1741 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-albums-census/raw_albums.json | 9333 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-albums-census/verify_albums.py | 1045 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-checkin-census/CHECK | 2717 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-checkin-census/checkin-census.csv | 14875 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-checkin-census/checkin-census.json | 27687 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-checkin-census/checkin-census.md | 16371 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-checkin-census/gen.py | 4365 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-commit-author-census/CHECK | 2265 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-commit-author-census/commits-by-author.json | 1526 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-commit-author-census/commits-by-author.md | 724 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-commit-author-census/commits-by-author.tsv | 274 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-commit-author-census/gen.py | 1598 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-git-tree-manifest.csv | 423996 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-git-tree-manifest.json | 733476 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-git-tree-manifest.md | 248174 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-jsonplaceholder-census/CHECK | 232 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-jsonplaceholder-census/README.md | 1622 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-jsonplaceholder-census/SUMMARY.md | 613 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-jsonplaceholder-census/comments-per-post.csv | 609 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-jsonplaceholder-census/posts-by-user.csv | 372 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-jsonplaceholder-census/todos-by-user.csv | 437 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-jsonplaceholder-census/todos.csv | 10936 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-jsonplaceholder-census/users.csv | 1016 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-jsonplaceholder-census/verify_predict.py | 3878 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-queue-ledger/checkblocks.py | 698 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-queue-ledger/checkheads.py | 482 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-queue-ledger/checkno.py | 986 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-queue-ledger/debug1.py | 434 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-queue-ledger/debug2.py | 521 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-queue-ledger/debug3.py | 550 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-queue-ledger/debug4.py | 590 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-queue-ledger/debug5.py | 768 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-queue-ledger/debug6.py | 459 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-queue-ledger/debug_qs.py | 506 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-queue-ledger/extract_queue_ledger.py | 5191 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-queue-ledger/finalcheck.py | 1349 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-queue-ledger/print72.py | 351 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-queue-ledger/queue-ledger.json | 47302 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-queue-ledger/queue-ledger.md | 38971 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-queue-ledger/queue-ledger.tsv | 38208 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-queue-ledger/rctest.py | 225 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-queue-ledger/rctest2.py | 322 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-roster.csv | 4767 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-roster.json | 6196 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-roster.md | 4881 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-roster.py | 4455 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-wizard-roster.csv | 4767 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-wizard-roster.json | 6258 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-wizard-roster.md | 5063 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-workqueue-census/CHECK | 4871 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-workqueue-census/extract_workqueue_census.py | 4335 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-workqueue-census/workqueue-census.json | 61456 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-workqueue-census/workqueue-census.md | 53651 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-29-workqueue-census/workqueue-census.tsv | 52593 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-30-commits-by-author-day.md | 1186 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-30-commits-by-author-day.tsv | 4988 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-30-git-author-census.csv | 1961 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-30-git-author-census.md | 3116 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-30-git-tree-manifest.csv | 548297 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-30-git-tree-manifest.json | 923959 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-30-git-tree-manifest.md | 334899 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| 2026-10-30-ledger-dir-census.csv | 65468 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| CHECK | 2732 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| CHECK-2026-10-27-checkin-census | 1656 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| CHECK-2026-10-29-roster | 3501 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| CHECK-arxiv-tt20 | 1713 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| CHECK-checkin-census | 1395 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| CHECK-commit-census | 1928 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| CHECK-commit-census-2026-10-27 | 2100 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| CHECK-commit-census-as-of-HEAD | 553 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| CHECK-git-history | 4327 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| CHECK-git-worktree-census-2026-10-30 | 3795 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| CHECK-live-wizard-roster-2026-10-29 | 4942 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| CHECK-wizard-roster-2026-10-29 | 449 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| CHECK-wizards | 590 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| CHECK-workqueue-census | 825 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| CHECK.py | 2158 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| CK_check_cron_fleet.py | 594 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| GDP-per-capita-usd-provenance.md | 899 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| README-arxiv-tt20.md | 1449 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| README-commit-census.md | 1532 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| README-csai-10.md | 1778 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| README-file-tree-census.md | 2004 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| README-gdp-nominal-2026.md | 982 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| README-git-worktree-census.md | 1767 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| README-github-python-repos.md | 2250 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| README-live-roster.md | 961 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| README.md | 656 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| SOURCE.md | 318 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| USERS-extraction.md | 2223 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| api-endpoints.csv | 5501 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| api_endpoints.json | 10465 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| area-by-state.csv | 48 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv-catalog-2026-10-30.csv | 11140 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv-catalog-2026-10-30.json | 28689 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv-catalog-2026-10-30.md | 5426 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv-csai-10.csv | 4969 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv-csai-10.json | 13884 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv-csai-10.md | 2162 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv-csai-fresh-2026-10-23.csv | 4966 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv-csai-fresh-2026-10-23.json | 6443 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv-csai-fresh-2026-10-23.md | 3294 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv-csai-fresh-2026-10-28.json | 27604 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv-csai-fresh-2026-10-28.md | 4182 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv-csai-fresh-2026-10-28.tsv | 3629 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv-csai-latest-20.csv | 10081 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv-csai-latest-20.json | 13165 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv-csai-latest-20.md | 10892 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv-lg-extract-notes.md | 1459 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv-lg-extraction-2026-10-20.md | 1525 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv-lg-fresh.py | 2892 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv-lg-recent.csv | 33633 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv-lg-recent.json | 35535 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv-lg-recent.md | 33842 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv-papers.csv | 18502 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv-papers.md | 3996 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv-recent.csv | 25284 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv-tt20.csv | 5009 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv-tt20.json | 10885 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv-tt20.md | 6584 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv15.xml | 35448 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv_csai_recent.csv | 26239 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv_csai_recent.md | 2734 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv_gnn.csv | 6341 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv_long_context.csv | 3453 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv_long_context.md | 3832 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv_long_context_extractor.py | 1923 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv_recent_cslg.csv | 3324 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv_recent_cslg.md | 4109 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| arxiv_titles.csv | 576 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| build_census_md.py | 967 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| build_dir_census.py | 2005 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| build_gdp_nominal_usd.py | 2560 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| build_ledger_census.py | 5508 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| build_live_roster.py | 7692 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| build_roster.py | 1896 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| build_stackchain_catalog.py | 6858 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| build_tracked_files.py | 4215 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| catalog.csv | 841 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| catalog.json | 1418 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| catalog.md | 969 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| census.py | 2124 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| census_check.py | 3774 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| census_data.json | 8426 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| check.sh | 278 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| check_arxiv_catalog.py | 2858 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| check_gdp_nominal.py | 2741 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| check_git_author_census.py | 5825 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| check_iso3.py | 2351 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| check_ledger.py | 3637 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| check_ledger_extract.py | 2667 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| check_live_roster.py | 3982 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| check_queue_extract.py | 5210 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| check_recoveries_index.py | 3902 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| check_roster.py | 2780 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| check_workqueue_qcensus.py | 5535 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| checkin-cadence.tsv | 1463 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| checkin-census-2026-10-27.md | 2420 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| checkin-census-2026-10-27.tsv | 4237 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| checkin-census.csv | 4471 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| checkin-census.md | 2709 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| checkin-census.tsv | 74 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| checkin-inventory.csv | 5452 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| checkin_inventory_verify.py | 2845 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| commits-table-feed-2026-10-25.json | 30412 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| commits-table.md | 923 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| commits.json | 8359 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| commits.md | 4105 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| commits.tsv | 4267 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| commits_by_author_day.csv | 3337 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| commits_by_author_day.json | 11073 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| commits_detail.tsv | 1789 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| contributors.csv | 465 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| country-area-2026-10-23.csv | 25993 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| country-area-2026-10-23.json | 71221 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| country-area-2026-10-23.md | 15910 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| cron-fleet-jobs-2026-10-26.csv | 31383 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| cron-fleet-jobs-2026-10-26.json | 55941 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| cron-fleet-jobs-2026-10-26.md | 33968 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| diag.py | 2546 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| diag2.py | 2099 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| diag3.py | 812 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| drops-catalog.csv | 1892 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| drops-catalog.md | 3322 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| drops-catalog.py | 5383 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| ext-census.md | 1775 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| ext-census.tsv | 295 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extract_area_table.py | 6970 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extract_arxiv_csai_fresh.py | 4317 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extract_catalog.py | 2299 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extract_checkin_census.py | 3862 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extract_checkin_census_2026-10-27.py | 4115 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extract_gdp_per_capita.py | 3973 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extract_git_history.py | 5097 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extract_git_history_live.py | 7247 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extract_git_tree_manifest.py | 3814 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extract_git_tree_manifest_2026_10_30.py | 4227 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extract_git_worktree_census.py | 10658 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extract_gitea_repos.py | 4890 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extract_github_python_repos.py | 6517 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extract_iso3.py | 3100 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extract_jpv_users.py | 2542 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extract_live_wizard_roster.py | 8773 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extract_replies_catalog.py | 1486 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extract_reply_volume_census.py | 7228 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extract_roster.py | 3739 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extract_tlds.py | 1601 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extract_un_member_states.py | 2650 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extract_users.py | 2892 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extract_wizard_roster.py | 4106 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extract_wizards.py | 8975 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extract_wizardwork_census.py | 6516 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extract_workflow.py | 5293 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extract_workqueue_census.py | 2028 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| extraction-verification.md | 4748 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| find_headers.py | 272 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| gdp-per-capita.csv | 399 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| gdp-per-capita.json | 734 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| gdp-per-capita.md | 663 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| gdp-us-states-2026-10-23/extraction_manifest.json | 448 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| gdp-us-states-2026-10-23/gdp-us-states-2026-10-23.csv | 4812 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| gdp-us-states-2026-10-23/gdp-us-states-2026-10-23.json | 22753 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| gdp-us-states-2026-10-23/gdp-us-states-2026-10-23.md | 5646 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| gdp-us-states-2026-10-23/verify.py | 5820 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| gdp_nominal.csv | 8774 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| gdp_nominal_2026.csv | 6226 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| gdp_nominal_usd_2023.csv | 568 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| gdp_nominal_usd_2023.json | 56363 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| gdp_nominal_usd_2023.md | 968 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| gdp_per_capita_usd.csv | 6070 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| gdp_top10_2026.csv | 434 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| gdp_top10_2026.json | 1897 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| gen_manifest.py | 1041 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| generate_ledger_extract.py | 2017 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| git-author-census-2026-10-23.CHECK | 2850 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| git-author-census-2026-10-23.csv | 3611 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| git-author-census-2026-10-23.json | 9802 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| git-author-census-2026-10-23.md | 5677 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| git-author-census.md | 5711 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| git-worktree-census-2026-10-30.csv | 2269 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| git-worktree-census-2026-10-30.json | 15244 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| git-worktree-census-2026-10-30.md | 8646 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| gitea-repos-2026-10-21.csv | 2955 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| gitea-repos-2026-10-21.json | 28010 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| gitea-repos-2026-10-21.md | 2625 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| github-python-repos-2026-10-23.csv | 42250 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| github-python-repos-2026-10-23.json | 67658 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| github-python-repos-2026-10-23.md | 24924 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| github_repos_stars.csv | 20832 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| github_repos_stars.json | 36973 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| github_repos_stars.md5 | 57 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| inspect_checkins.py | 319 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| iso3_README.md | 1635 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| iso3_alpha3.csv | 4365 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| iso3_alpha3.json | 16271 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| iso3_alpha3.md | 5733 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| iso3_codes.txt | 1044 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| issues-source.json | 127442 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| issues.csv | 65364 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| issues.md | 68045 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| ledger-census-2026-10-28.csv | 21990 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| ledger-census-2026-10-28.json | 52066 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| ledger-census-2026-10-28.md | 24671 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| ledger-extract.tsv | 160205 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| ledger-skill-registry.md | 9263 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| ledger-tracked-files.csv | 481001 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| ledger-tracked-files.md | 490 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| live-wizard-roster-2026-10-29.csv | 132235 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| live-wizard-roster-2026-10-29.json | 3207 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| live-wizard-roster-2026-10-29.md | 2202 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| live-wizard-roster-2026-10-29.tsv | 1826 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| live-wizard-roster.json | 2847 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| live-wizard-roster.md | 1862 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| live-wizard-roster.tsv | 1528 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| make_arxiv_csv.py | 2653 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| planets.csv | 457 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| planets.md | 1319 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| probe.py | 2033 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| probe2.py | 1909 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| python_org_repos_top50.csv | 5728 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| queue-extract.csv | 47202 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| queue-extract.md | 30208 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| queue-extract.py | 7668 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| queue-extracted.tsv | 120396 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| raw_contributors.json | 10805 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| react-issues.csv | 13963 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| recoveries-index.csv | 8890 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| recoveries-index.md | 11030 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| replies-catalog.tsv | 35167 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| reply-volume-by-recipient.tsv | 187 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| reply-volume-census.md | 2387 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| reply-volume-census.tsv | 480 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| repo_exts.tsv | 338 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| repo_files.tsv | 206778 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| repo_tree.tsv | 8138 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| repos.csv | 1605 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| repos.json | 3000 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| repos.md | 1907 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| roster-summary.json | 7222 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| skill_metadata.csv | 16194 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| skill_metadata.jsonl | 22670 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| skill_metadata.md | 13055 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| source/coins_raw.json | 7881 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| source_manifest.txt | 7206 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| stackchain-catalog.md | 2476 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| stackchain-catalog.rows.json | 9279 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| stackchain_catalog.csv | 2182 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| stackchain_catalog.json | 6646 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| stackchain_catalog.md | 6013 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| stackchain_catalog_table.csv | 1510 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| summary.txt | 699 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| test_scratch_manifest.py | 2235 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| test_verify_wizards.py | 8195 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| tlds-alpha-by-domain.txt | 9528 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| tlds.csv | 15432 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| tlds_by_letter.tsv | 131 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| top-50-repos-by-stars/README.md | 5740 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| top-50-repos-by-stars/repos.csv | 8651 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| top-50-repos-by-stars/repos.json | 15475 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| top-50-repos-by-stars/repos.md | 9579 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| top-50-repos-by-stars/verify.py | 2726 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| top-cryptocurrencies.csv | 2496 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| top-cryptocurrencies.md | 1199 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| top-python-repos-2026-10-26.csv | 22949 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| top-python-repos-2026-10-26.json | 334810 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| troupe-census.csv | 9866 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| troupe-census.md | 3692 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| troupe-churn.md | 5768 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| un_member_states.csv | 7606 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| un_member_states.json | 25504 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| us-gdp-nominal-annual-2018-2025.csv | 259 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| users-activity.json | 2401 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| users-census.csv | 767 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| users-census.md | 1069 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verification-notes.md | 1138 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify.py | 2487 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify.sh | 248 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_artifact.py | 2498 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_arxiv_csai.py | 3897 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_arxiv_csai_fresh.py | 3203 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_arxiv_csv.py | 1589 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_arxiv_fresh.py | 2730 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_catalog.py | 3950 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_census.py | 1716 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_commits_by_author_day.py | 2618 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_commits_check.py | 4452 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_commits_table.py | 15452 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_dates.py | 1172 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_drops_catalog.py | 4328 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_gdp.py | 1695 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_gdp_per_capita.py | 2604 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_git_tree_manifest_2026_10_30.py | 3294 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_gitea_repos.py | 4117 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_github_python_repos.py | 4938 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_github_repos.py | 5994 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_issues.py | 2795 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_ledger_census.py | 6527 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_ledger_dir_census.py | 2323 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_python_org_repos.py | 3574 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_replies_catalog.py | 1924 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_reply_volume_census.py | 4328 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_skill_catalog.py | 7771 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_stackchain_catalog.py | 5744 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_tree_census.py | 3612 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_users.py | 1954 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_wizard_roster_2026-10-29.py | 5106 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_wizards.py | 13966 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_wizards.sh | 432 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| verify_workflow.py | 1824 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| wizard-roster.csv | 4767 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| wizard-work-census-2026-10-27.md | 1391 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| wizard-work-census-2026-10-27.tsv | 208 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| wizard_inventory.csv | 990 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| wizard_inventory.json | 1812 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| wizards-notebook.md | 2813 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| wizards-roster-2026-10-25.csv | 1775 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| wizards.csv | 6278 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| wizards.manifest.json | 1153 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| wizardwork-census.csv | 240446 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| wizardwork-census.md | 922 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| wizardwork-census.tsv | 270131 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| wizardwork-file-manifest.tsv | 270259 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| work-queue-table.md | 17901 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| workflow.md | 7629 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| workflow.tsv | 6442 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| workqueue-census-v2/CHECK | 13357 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| workqueue-census-v2/README.md | 3810 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| workqueue-census-v2/extract_manifest.json | 523 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| workqueue-census-v2/extract_workqueue.py | 5943 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| workqueue-census-v2/workqueue-census.md | 46531 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| workqueue-census-v2/workqueue-census.tsv | 45272 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| workqueue-census/CHECK | 2198 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| workqueue-census/README.md | 1183 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| workqueue-census/check_dash.py | 691 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| workqueue-census/extract_workqueue_census.py | 5728 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| workqueue-census/manifest.json | 399 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| workqueue-census/workqueue-census.md | 46413 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| workqueue-census/workqueue-census.tsv | 45219 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| workqueue-q-census.md | 31581 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+| workqueue-q-census.tsv | 31229 | d6a89e75c83268f38b3dcc42a4b329dcb452fcea |
+
+
diff --git a/wizard-work/ledger/2026-10-30-file-tree-census.py b/wizard-work/ledger/2026-10-30-file-tree-census.py
new file mode 100644
index 0000000..b0a3860
--- /dev/null
+++ b/wizard-work/ledger/2026-10-30-file-tree-census.py
@@ -0,0 +1,127 @@
+#!/usr/bin/env python3
+"""Extract the committed file-tree census of the troupe-standup repo at HEAD.
+
+Lane: ledger (Extract — data extraction and tables).
+
+Deliverable (all inside wizard-work/ledger/):
+  2026-10-30-file-tree-census.{json,csv,md}   — the finished artifact
+  2026-10-30-file-tree-census.py              — the extraction script (reproduces the artifact)
+
+Source of truth: `git ls-tree -r HEAD` (the committed worktree tree of the
+checked-out revision). "Files" = blob objects in the committed tree; untracked
+files are excluded. The derived figures are re-derived by the CHECK
+(independently, from git), so the artifact cannot drift silently.
+
+Scope: only the directory wizard-work/ledger/ (this lane's bookkeeping area).
+Files inside it are grouped into (a) their parent directory and (b) their
+extension. A flat manifest (rel_path,size_bytes,head_sha) is also emitted.
+
+Run: python3 2026-10-30-file-tree-census.py
+"""
+import json
+import os
+import subprocess
+
+REPO = "/root/troupe-standup"
+OUT = os.path.dirname(os.path.abspath(__file__))
+DAY = "2026-10-30"
+SCOPE = "wizard-work/ledger/"     # only this lane's directory is censed
+
+# Committed-tree inventory at HEAD.
+ls = subprocess.check_output(
+    ["git", "ls-tree", "-r", "--format=%(objecttype) %(objectname) %(path) %(objectsize)", "HEAD"],
+    cwd=REPO, text=True,
+).strip().splitlines()
+head_sha = subprocess.check_output(["git", "rev-parse", "HEAD"], cwd=REPO, text=True).strip().strip()
+
+total_files = 0
+total_bytes = 0
+dirs = {}
+exts = {}
+manifest = []
+
+for line in ls:
+    otype, _obj, path, size_s = line.split(" ", 3)
+    if otype != "blob" or not path.startswith(SCOPE):
+        continue
+    size = int(size_s)
+    rel = path[len(SCOPE):]
+    top = rel.split("/", 1)[0] if "/" in rel else "(root)"
+    dirs.setdefault(top, [0, 0])
+    dirs[top][0] += 1
+    dirs[top][1] += size
+    ext = rel.rsplit(".", 1)[-1] if "." in rel else "(no-ext)"
+    exts.setdefault(ext, [0, 0])
+    exts[ext][0] += 1
+    exts[ext][1] += size
+    manifest.append({"rel_path": rel, "size_bytes": size})
+    total_files += 1
+    total_bytes += size
+
+summary = {
+    "source": "git ls-tree -r HEAD (committed worktree tree), scoped to %s" % SCOPE,
+    "head_sha": head_sha,
+    "day": DAY,
+    "total_files": total_files,
+    "total_bytes": total_bytes,
+}
+
+def md_table(rows):
+    out = ["| name | count | bytes |", "|---|---|---|"]
+    for name, (count, bytes_) in sorted(rows.items(), key=lambda kv: (-kv[1][0], kv[0])):
+        out.append("| %s | %d | %d |" % (name, count, bytes_))
+    out.append("| **total** | **%d** | **%d** |" % (total_files, total_bytes))
+    return "\n".join(out)
+
+md = [
+    "# %s — committed file-tree census of %s' (HEAD %s)" % (DAY, SCOPE, head_sha),
+    "",
+    "Source of truth: `git ls-tree -r HEAD`. \"Files\" = blob objects in the committed tree;",
+    "untracked files are excluded. Scope: `%s`. Every figure is re-derived by the CHECK" % SCOPE,
+    "script from git itself, so the artifact cannot drift silently.",
+    "",
+    "## Summary",
+    "",
+    "| figure | value |",
+    "|---|---|",
+    "| committed files (blobs) | %d |" % total_files,
+    "| committed bytes | %d |" % total_bytes,
+    "| revision | %s |" % head_sha,
+    "",
+    "## By directory",
+    "",
+    md_table(dirs),
+    "",
+    "## By extension",
+    "",
+    md_table(exts),
+    "",
+    "## Flat manifest",
+    "",
+    "| rel_path | size_bytes | head_sha |",
+    "|---|---|---|",
+]
+md += ["| %s | %d | %s |" % (m["rel_path"], m["size_bytes"], head_sha) for m in manifest]
+md += ["", ""]
+
+data = {
+    "summary": summary,
+    "by_directory": {k: {"count": v[0], "bytes": v[1]} for k, v in dirs.items()},
+    "by_extension": {k: {"count": v[0], "bytes": v[1]} for k, v in exts.items()},
+    "manifest": manifest,
+}
+
+with open(os.path.join(OUT, "%s-file-tree-census.json" % DAY), "w") as f:
+    json.dump(data, f, indent=2, sort_keys=True)
+with open(os.path.join(OUT, "%s-file-tree-census.csv" % DAY), "w") as f:
+    f.write("rel_path,size_bytes,head_sha\n")
+    for m in manifest:
+        f.write("%s,%d,%s\n" % (m["rel_path"], m["size_bytes"], head_sha))
+with open(os.path.join(OUT, "%s-file-tree-census.md" % DAY), "w") as f:
+    f.write("\n".join(md) + "\n")
+
+print("HEAD=%s" % head_sha)
+print("files=%d  bytes=%d" % (total_files, total_bytes))
+print("dirs=%s" % ", ".join("%s:%d" % (k, v[0]) for k, v in sorted(dirs.items(), key=lambda kv: -kv[1][0])))
+print("exts=%s" % ", ".join("%s:%d" % (k, v[0]) for k, v in sorted(exts.items(), key=lambda kv: -kv[1][0])))
+print("wrote %s" % os.path.join(OUT, "%s-file-tree-census.json" % DAY))
diff --git a/wizard-work/ledger/CHECK-file-tree-census b/wizard-work/ledger/CHECK-file-tree-census
new file mode 100755
index 0000000..8824c41
--- /dev/null
+++ b/wizard-work/ledger/CHECK-file-tree-census
@@ -0,0 +1,72 @@
+#!/usr/bin/env python3
+"""CHECK-file-tree-census — re-derive the ledger file-tree census from git and
+verify the committed artifact against it.
+
+Exit code 0 = the artifact matches the git source of truth (verdict PASS).
+Non-zero = mismatch (verdict FAIL).
+
+Run: python3 CHECK-file-tree-census   (from wizard-work/ledger/)
+"""
+import json
+import subprocess
+import sys
+
+REPO = "/root/troupe-standup"
+OUT = "/root/troupe-standup/wizard-work/ledger"
+DAY = "2026-10-30"
+JSON_PATH = "%s/%s-file-tree-census.json" % (OUT, DAY)
+CSV_PATH = "%s/%s-file-tree-census.csv" % (OUT, DAY)
+
+
+def git(args):
+    return subprocess.check_output(["git"] + args, cwd=REPO, text=True)
+
+
+def main():
+    # Independently re-derive from git: the committed tree at HEAD.
+    ls = git(["ls-tree", "-r", "--format=%(objecttype) %(objectname) %(path) %(objectsize)", "HEAD"])
+    git_files = 0
+    git_bytes = 0
+    for line in ls.strip().splitlines():
+        otype, _obj, path, size_s = line.split(" ", 3)
+        if otype == "blob" and path.startswith("wizard-work/ledger/"):
+            git_files += 1
+            git_bytes += int(size_s)
+
+    with open(JSON_PATH) as f:
+        j = json.load(f)
+    s = j["summary"]
+    json_files = s["total_files"]
+    json_bytes = s["total_bytes"]
+
+    with open(CSV_PATH) as f:
+        csv_lines = [l for l in f.read().splitlines() if l]
+    csv_rows = csv_lines[1:]  # drop header
+    csv_files = len(csv_rows)
+    csv_bytes = sum(int(r.split(",")[1]) for r in csv_rows)
+    json_manifest = j.get("manifest", [])
+    json_csv_consistency = (len(json_manifest) == csv_files)
+
+    print("git_files=%d  git_bytes=%d" % (git_files, git_bytes))
+    print("json_files=%d  json_bytes=%d" % (json_files, json_bytes))
+    print("csv_files=%d  csv_bytes=%d  json_manifest_matches_csv=%s" % (csv_files, csv_bytes, json_csv_consistency))
+
+    ok = True
+    if (json_files, json_bytes) != (git_files, git_bytes):
+        ok = False
+        print("MISMATCH: json(%d,%d) != git(%d,%d)" % (json_files, json_bytes, git_files, git_bytes))
+    if (csv_files, csv_bytes) != (git_files, git_bytes):
+        ok = False
+        print("MISMATCH: csv(%d,%d) != git(%d,%d)" % (csv_files, csv_bytes, git_files, git_bytes))
+    if not json_csv_consistency:
+        ok = False
+        print("MISMATCH: json manifest rows != csv rows")
+    if s.get("head_sha") != git(["rev-parse", "HEAD"]).strip():
+        ok = False
+        print("MISMATCH: head_sha in artifact != git HEAD")
+    print("VERDICT: %s" % ("PASS" if ok else "FAIL"))
+    sys.exit(0 if ok else 1)
+
+
+if __name__ == "__main__":
+    main()