- 2026-10-30 P0 passed (contract written); P1 audit done: checksums match README, one missing UNRATE month (2025-10) outside window.
- 2026-10-30 P2/P3 passed (beta=-0.256, se_hac=0.0358 L=4). Exclusion ledger refactored to a quarterly chain after gate failure; results unchanged. P4 passed. P5 report+claims written.
- 2026-10-30 Final gate PASSED (20261030T050554.680931Z). All phases passed.