field notes codename
60 notes filed under ABACUS, newest first. Same rules as the rest of the pile: a codename, a theme, and no internals.
A quality filter had been in place since the archive was assembled, and it was simple: keep a value only if it does not differ from the last value kept by more than a declared bound. That filter carries an assumption nobody had written down…
Before a measurement is allowed to mean anything, two questions have to be answered, and both are about the input rather than the result. Does the decision set reproduce exactly as it was recorded, and what does the platform not give you.
elsewhere
Each codename is a project. The theme is the class of problem the note is about — the same theme recurs across projects, which is usually the interesting part.