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Pull request overview
Adds a new per-tick hygiene-history shard entry for the 2026-04-29 03:15Z autonomous-loop tick, following the repository’s per-tick shard logging scheme under docs/hygiene-history/ticks/YYYY/MM/DD/HHMMZ.md.
Changes:
- Added shard file
0315Z.mdcontaining a single tick-history row for 2026-04-29T03:15:00Z.
AceHack
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Apr 30, 2026
…g future tick-times — surface for maintainer decision before mass-fixing col1 (#973) Codex P2 review on PR #740 caught a pattern across 14+ open tick-history shard PRs from 2026-04-29: col1 tick-times are 40-80 minutes ahead of the commits' author-times. The shards weren't recording past ticks — they were prefabricating shard files for future tick slots. Empirical sample: | PR | PR opened | Claimed tick | Commit author | Gap | |---|---|---|---|---| | #728 | 02:05:49Z | 02:45:00Z | 02:05:42Z | +40m | | #730 | 02:07:17Z | 02:55:00Z | 02:07:14Z | +48m | | #734 | 02:14:15Z | 03:15:00Z | 02:14:12Z | +61m | | #740 | 02:24:24Z | 03:45:00Z | 02:24:20Z | +81m | The prior-tick col1 cleanup (PR #971) on 15 shards already on main and the per-PR force-pushes on #745-755 + #968 fixed the schema-violating parenthetical, but the underlying prefabrication concern was buried under the more visible Copilot-P1 col1 finding. Two interpretations: 1. Mis-timestamped recording — agent computed col1 wrong 2. Intentional batch prefabrication of future-tick receipts Either way, mechanically fixing col1 on the remaining 14 PRs would launder the prefabrication: shards would look schema- compliant but still claim factually-incorrect tick times. Composes with the rediscoverable-from-main invariant landed in PR #969: tick-history-on-main is one of four supporting properties; false time-claims subvert the invariant. Decision options for the maintainer (in the file): - Close affected PRs (audit-trail integrity over evidence- density) - Rewrite col1 to commit-time - Add a note column for time-of-record vs time-of-event - Accept prefab pattern as intentional Filing this as substrate (per substrate-or-it-didn't-happen) and explicitly NOT mass-fixing col1 on those PRs until direction. MEMORY.md index entry added; latest-paired-edit marker updated. Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>
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Minimal.