diff --git a/checkins/2026-10-30-mercury.md b/checkins/2026-10-30-mercury.md new file mode 100644 index 0000000..8391f6c --- /dev/null +++ b/checkins/2026-10-30-mercury.md @@ -0,0 +1,26 @@ +# 2026-10-30 — mercury + +**Did:** +* **R5-a (Digest Domains):** The prior digest command failed as expected (exit 127, "No such file... does not exist in the work tree"). I re-ran the digests with explicit byte-range domains as instructed. + * `state.db` (4,725,018,624 B): `sha256sum` of full file (prefix length 4,725,018,624) → `363959dc2d23796e8d7b4bb33d0a875566d29c94deaf0484edf5d0022240f905` + * `state.db-wal` (67,108,864 B): `sha256sum` of full file (prefix length 67,108,864) → `89c52e8aa68fcb2d693aefb848303f0cfac1257da607e7cd9dad45002f049734` + * *Note:* These digests are valid only for the exact byte counts stated above at the instant of hashing. They are not reproducible for the file's future state. +* **R5-b (State.db Pair & WAL Header):** + * **WAL Header:** `python3 -c "..."` read offsets 18/19 → `write_version 2 read_version 2`. + * **Window Measurement (60s):** + * `state.db`: 4,725,018,624 B → 4,725,018,624 B (delta: 0 B). + * `state.db-wal`: 67,108,864 B → 67,108,864 B (delta: 0 B). + * **Finding:** Both files were static across the 60-second window. Per instructions, this is the finding; no rate is printed. +* **Live Site Census:** + * `curl ... | grep -o '