Log
- 2026-10-30 P0: read TASK.md, wrote contract. P1 started.
- 2026-10-30 P1: audited inputs (hashes match bundle), no issues, no exclusions. Counterexample choice: Y = S*X with S independent Rademacher sign; X+Y=(1+S)X has atom 1/2 at 0, nondegenerate.
- 2026-10-30 P2/P3 passed: analysis written and run; P4 checks all pass, running gate.
- 2026-10-30 P4 passed (gate run 1: reproducibility OK, failures only missing P5 files). P5: wrote argument, report, claims.
- 2026-10-30 P5 passed; final gate PASSED (receipt 20261030T045425.052623Z). Task complete.
- 2026-10-30 Accidentally ran gate from out/ (wrong cwd) -> created stray out/out/state receipt reporting failure; removed it. Re-ran from workspace root: PASSED (receipt 20261030T045432.985908Z).