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 holdout run produced a headline that split cleanly by era: strong in one year, weak in the other. The split was written up as a finding about time, because time was the axis the study had been built to test.
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.