# Board source snapshots

- [Issue 41](./board_issue41_2026-10-09.json): as_of 2026-10-09; sha256_published a682607e7d0c09da37df7f8cc7bcc273ddf1019d67bc2e0b6287314377609609; sha256_workbook a682607e7d0c09da37df7f8cc7bcc273ddf1019d67bc2e0b6287314377609609 (authoritative v6); earlier workbook SHA-256 22f24a34f24f0e7af7bafb07693cc260170a3f01460a0a570794bd2a71f773cb (superseded 2026-10-13; original export not retained)
- [Issue 42](./board_issue42_2026-10-13.json): as_of 2026-10-13; sha256_published a7c39440454205ba10b824741cb051163f8d61dfac1e4d86a5a89033c2f11e73; sha256_workbook a7c39440454205ba10b824741cb051163f8d61dfac1e4d86a5a89033c2f11e73 (authoritative v6); earlier workbook SHA-256 a8c3d36aacdaeb930abda863cda2b172eda4a3c5fcd503c875b80dc7bba2b200 (superseded 2026-10-13; original export not retained)

The supplied Issue 41 and Issue 42 files are authoritative under decision D5 and the source-finality directive of 2026-10-13. sha256_published verifies the exact served bytes and matches the authoritative v6 workbook digest. Earlier workbook digests are superseded 2026-10-13; original export not retained. No original exports will be supplied. Published snapshot bytes remain immutable. SC-004 Watch up is carried; the earlier none value was an export defect, not a rating action.


- Current registry Board (not the immutable source file): /machine/board.json