{
  "description": "固定再現試験。2026-08-13にページへ最初に掲載した数値(累計n=4,611・本命1着率55.80%・2連対74.56%・複勝圏84.02%・3連単完全一致8.83%)を、母集団を race_date<='2026-08-12' に固定した同一構造のSQLで2026-08-14に再実行し、完全一致(誤差ゼロ)を確認した結果です。ページ上部のメインKPI(現在表示中の値・n=4,791系)とは基準日が異なる別の数字です。現在表示中の値の再現には current_result.json を参照してください。",
  "label": "固定再現試験（基準日2026-08-12固定）",
  "test_executed_at_jst": "2026-08-14T22:32:00+09:00",
  "population_definition": "void_race=false AND late_snapshot=false",
  "matched_original_2026_08_13_values": true,
  "repro_all_time_fixed_le_0812": {
    "n": 4611,
    "date_from": "2026-07-12",
    "date_to": "2026-08-12",
    "hit_1st_pct": 55.8,
    "hit_top2_pct": 74.56,
    "hit_top3_pct": 84.02,
    "hit_trifecta_pct": 8.83
  },
  "repro_last_30d_fixed": {
    "n": 4511,
    "date_from": "2026-07-14",
    "date_to": "2026-08-12",
    "hit_1st_pct": 55.66,
    "hit_top2_pct": 74.55,
    "hit_top3_pct": 83.95,
    "hit_trifecta_pct": 8.67
  },
  "repro_last_7d_fixed": {
    "n": 1103,
    "date_from": "2026-08-06",
    "date_to": "2026-08-12",
    "hit_1st_pct": 54.4,
    "hit_top2_pct": 74.16,
    "hit_top3_pct": 84.13,
    "hit_trifecta_pct": 7.8
  },
  "void_race_count_fixed_le_0812": 29,
  "late_snapshot_count_fixed_le_0812": 0,
  "unreconciled_count_fixed_asof_0813": 0,
  "calibration_repro_fixed_asof_0813": [
    { "band": "20-40%",  "n": 825,  "actual_hit1_pct": 31.9, "predicted_avg_pct": 33.6 },
    { "band": "40-60%",  "n": 1480, "actual_hit1_pct": 48.3, "predicted_avg_pct": 50.4 },
    { "band": "60-80%",  "n": 1854, "actual_hit1_pct": 67.3, "predicted_avg_pct": 69.8 },
    { "band": "80-100%", "n": 352,  "actual_hit1_pct": 81.3, "predicted_avg_pct": 83.7 }
  ]
}