# Log

• 2026-10-30 P0 passed: contract written.
• 2026-10-30 P1 passed: audit done; hashes verified; COVID-quarter exclusion rule pre-specified. Model pre-specified: AR(1) with intercept, OLS, dependent quarters 1985Q1..last vintage quarter, excluding t in {2020Q2,2020Q3,2020Q4}; h=2 iterated.
• 2026-10-30 Note: state files were briefly created under data/out/ by a cwd slip; moved to out/state and data/out removed; data/ hashes re-verified against bundle.json (intact).
• 2026-10-30 P2/P3 passed: naive and AR(1) computed; P4 checks pass; running gate.
• 2026-10-30 P4 passed (gate receipt 20261030T042250); P5 report/claims written; running final gate.
• 2026-10-30 Final gate PASSED (receipt 20261030T042323). Task complete.