{
  "schemaVersion": 1,
  "title": "MarkInSix 香港六合彩歷史結果研究資料集",
  "publishedAt": "2026-07-16",
  "pageUrl": "https://markinsix.win/30-year-number-distribution/",
  "downloadUrl": "https://markinsix.win/research/marksix-results-history.csv",
  "generatedFromSnapshotAt": "2026-08-07T09:08:18.088Z",
  "coverage": {
    "firstDrawDate": "2002-07-04",
    "lastDrawDate": "2026-08-06",
    "drawCount": 3362,
    "mainNumberObservations": 20172
  },
  "sourceClassifications": {
    "fallback-mirror": 3326,
    "official-direct": 36
  },
  "columns": {
    "draw_number": "資料來源使用的期數識別碼",
    "draw_date": "攪珠日期，YYYY-MM-DD",
    "main_1_to_main_6": "六個正選號碼；保留快照內次序",
    "extra_number": "特別號碼",
    "source_classification": "本站 ingestion 流程記錄的來源分類，不代表官方認證"
  },
  "methodology": [
    "由 data/results-history-snapshot.json 逐期匯出，不插補缺失期數。",
    "匯出前驗證每期有六個不重複正選號碼、獨立特別號碼，且全部介乎 1 至 49。",
    "按日期由舊至新排序；所有頁面統計均可由 CSV 重新計算。"
  ],
  "limitations": [
    "目前可重現範圍始於 2002-07-04，不代表六合彩完整歷史。",
    "部分舊資料來自備援鏡像分類，研究或發布前應抽樣與香港賽馬會官方結果再核對。",
    "出現次數、熱冷與遺漏只描述歷史樣本，不能預測未來攪珠。"
  ],
  "citation": "六個好彩頭資料編輯（2026-07-16）。《香港六合彩歷史結果研究資料集（2002-07-04 至 2026-08-06）》https://markinsix.win/30-year-number-distribution/",
  "integrity": {
    "algorithm": "SHA-256",
    "csvSha256": "cd977fc511fd596539a22fe670a0a79640e852f65f3f47832c5e55307959cd7b"
  }
}