- 2026-10-30 P0 passed: contract written.
- 2026-10-30 P1 passed: hashes match README, no anomalies besides 1995Q1 NaN (excluded). Model decided a priori: direct OLS, target-quarter dummies + 4-quarter average inflation at origin; HAC Bartlett lag 4 primary.
- 2026-10-30 P2,P3 passed; P4 checks all pass (checks.md). Running gate.
- 2026-10-30 P4 passed (gate receipt 20261030T042530; only P5-file failures). Starting P5.
- 2026-10-30 P5 passed; final gate PASSED (receipt 20261030T042603). Task complete.