{
  "artifacts_reviewed": [
    "analysis.json",
    "article.md",
    "artifact_inventory",
    "figure_contract",
    "provenance",
    "locked_research_memo",
    "mechanical_checks"
  ],
  "created_at": "2026-08-31T23:05:14.138782+00:00",
  "decision": "pass",
  "findings": [
    {
      "check": "central_numbers",
      "evidence": "649 pairs, 2.65 vs 2.34 TD MAE, 11.7% improvement, 8.3\u21925.3 (3.0 decline), 2.9\u21924.4 underperformer movement, 0.31 TD paired delta with 0.18\u20130.45 CI, 5,000 resamples, 2014\u20132025 seasons, 2018+ walk-forward, 40-target threshold all match analysis.json and the figure contract claim_metrics.",
      "recommendation": "None required.",
      "severity": "note"
    },
    {
      "check": "artifact_inventory",
      "evidence": "figures/forecast-error.png, figures/regression-quintiles.png, and figures/2025-overperformers.png are present in the artifact inventory with SHA-256 values identical to those in the figure contract.",
      "recommendation": "None required.",
      "severity": "note"
    },
    {
      "check": "source_urls_and_license",
      "evidence": "Both provenance entries include source URLs (nflverse GitHub releases for player_stats.csv and stats_player_reg_2025.csv), CC BY 4.0 license with underlying-NFL-rights caveat, and nflverse attribution; the article's provenance section matches this language and preserves the underlying-rights caveat.",
      "recommendation": "None required.",
      "severity": "note"
    },
    {
      "check": "source_recency",
      "evidence": "The public source snapshot ends with the 2025 season and the article accurately discloses data_through: 2025, explicitly framing the study as an evergreen claim rather than a current player-ranking model.",
      "recommendation": "None required; disclosure is adequate.",
      "severity": "warning"
    }
  ],
  "model": "z-ai/glm-5.3",
  "role": "citation_checker",
  "summary": "All central numeric claims in the article trace to the supplied analysis; all three named figure artifacts appear in the SHA-256 inventory with matching hashes; both nflverse sources carry URLs, CC BY 4.0 license language, and attribution matching the provenance record; underlying-rights caveats are preserved."
}