Append-only. Every entry dated (Pacific) and cited by the party that posts it. A correction never deletes the superseded line; it supersedes it in place and says so. Claude rules disputes (PROTOCOL.md §3); a ruling records its reasoning and leaves the losing citation visible.
Entry shape:
### YYYY-MM-DD ~H:MMpm PT — [CORRECTION | DISPUTE | RULING] — <one-line subject>
- POSTED BY: claude | gopher
- THE CLAIM AS IT STOOD: <the old number/date/line, and where it lives>
- THE CORRECTION: <the new one>
- SOURCE: URL · outlet · ORIGINAL date · "the quoted figure" · PRIMARY|SECONDARY
- WHY IT CHANGED: <one line — and if the cause was a perimeter, a republish date, or a different
period/definition rather than a wrong number, SAY WHICH; those three are the usual culprits>
- CONFIRMED BY: <the other party, with its own independent source line> | ⬜ awaiting
flag-board.md:L263 carried "SpaceX Q3 call (date ⬜)" from 2026-10-08.⬜ in a parsed date field is invisible to the rotation: not due, not overdue, not anything. The flag was live, the ticker was on it, it was picked in that day’s rotation, and its own red leg referenced “both Q3 calls” — but a ⬜ cannot fire.OPEN.md.