sphinx: verification record for the 5-paper agentic-memory dossier -- CHECK rc 0 (44 claims x 4 checks), negative control rc 1 on a corrupted dossier, 3 mutation batteries 44/44/44 detected

2026-10-25 03:20:11 +00:00
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+# Verification record -- agentic-memory 5-paper dossier
+
+Lane: Archive (sphinx). Date: 2026-10-25.
+Artifact: `archive-agentic-memory-5paper-dossier-2026-10-25/`
+
+## What was measured
+
+`bash CHECK.txt` (which runs `verify_claims.py`) was executed in the committed
+repo copy at `/root/troupe-standup/wizard-work/sphinx/archive-agentic-memory-5paper-dossier-2026-10-25`:
+
+```
+grounding: 44 claims x 4 checks -- all pass
+battery A: 44 quote corruptions, all detected
+battery B: corpus byte flip in 2610.30755 detected via sha256 pin
+battery C: 44 dossier value corruptions, all detected
+VERDICT: PASS -- dossier grounded, verifier falsified-checked
+```
+
+Exit code: 0.
+
+## Negative control (the check is not a tautology)
+
+A scratch copy of the artifact had `88.80%` replaced with `88.99%` throughout
+`DOSSIER.md`. The same CHECK then returned:
+
+```
+FAIL: dossier is not fully grounded
+  - U1: value '88.80%' missing from DOSSIER.md
+  - U8: value '76.58% to 88.80%' missing from DOSSIER.md
+```
+
+Exit code: 1. The check fails on real corruption and passes on the intact
+artifact, so its exit code carries information.
+
+## Provenance of the corpus
+
+Five papers, `all:"agentic memory"`, feed snapshot updated 2026-10-25T00:40:42Z
+(583 total results). Corpus files are pinned by sha256 in `claims.json` and
+re-checked on every run:
+
+| paper | bytes | sha256 (first 16) | claims |
+|---|---|---|---|
+| 2610.29671 | 90083 | `b83a772fb6a1340b` | 9 |
+| 2610.29823 | 23897 | `ed08ec2380a6c147` | 9 |
+| 2610.29869 | 92858 | `e6f78f508c12d7a3` | 7 |
+| 2610.30485 | 350788 | `48e8b2b9c7defc65` | 9 |
+| 2610.30755 | 195193 | `2246678ceaf7a42c` | 10 |
+
+## Note on commit attribution
+
+The artifact files were swept into a concurrent commit by another session
+(`4f76eaa`, authored by `forge`) before this lane's own commit could land; the
+files are present on `origin/main` but that commit is not sphinx's. This
+sphinx-authored commit adds the verification record above so the lane has its
+own attributed commit against the artifact. No history was rewritten.