{
  "slug": "nakayama-grand-jump-2026",
  "url": "https://ancys-briefing.com/races/nakayama-grand-jump-2026.html",
  "datePublished": "2026-04-17T20:00:00+09:00",
  "dateModified": "2026-04-18T18:00:00+09:00",
  "published_label": "2026年4月17日 20:00 JST",
  "modified_label": "2026年4月18日 18:00 JST",
  "prediction_changed": "未検証（結果追記のみの運用方針）",
  "sha256": "edc168166dc4dd19ac1ba339faccbfad435e2a1aad60cfca842006973e611533",
  "sha256_short": "edc168166dc4dd19",
  "bytes_hashed": 11921,
  "sealed_at": "2026-08-16T00:36:27+09:00",
  "sealed_label": "2026年8月16日 00:36 JST",
  "evidence_scope": "Identifies the current prediction text at sealed_at; it does not independently prove pre-race publication when sealed_at is after the race.",
  "note": "Hash excludes #result. Re-run scripts/seal-race-predictions.py after editing prediction text."
}