{
  "schemaVersion": 2,
  "latestReport": "2026-09-18",
  "days": [
    {
      "date": "2026-09-18",
      "checkedAt": "2026-09-18T11:55:53+08:00",
      "panelItems": 2,
      "panelChecks": 6,
      "usableDiscoverySources": 9,
      "discoverySources": 10,
      "queriesAttempted": 142,
      "queriesSucceeded": 142,
      "selected": 5,
      "digitalCheckedAt": "2026-09-18T12:19:41+08:00",
      "digitalStatus": "scan_success_with_update",
      "digitalNewItems": 1,
      "publicationWindow": {
        "start": "2026-09-12",
        "end": "2026-09-18"
      },
      "lateArrivalCount": 50
    },
    {
      "date": "2026-09-17",
      "checkedAt": "2026-09-17T07:16:14+08:00",
      "panelItems": 13,
      "panelChecks": 6,
      "usableDiscoverySources": 10,
      "discoverySources": 10,
      "queriesAttempted": 158,
      "queriesSucceeded": 158,
      "selected": 10,
      "digitalCheckedAt": "2026-09-17T08:04:04+08:00",
      "digitalStatus": "scan_success_no_update",
      "digitalNewItems": 0,
      "publicationWindow": {
        "start": "2026-09-11",
        "end": "2026-09-17"
      },
      "lateArrivalCount": 47
    },
    {
      "date": "2026-09-16",
      "checkedAt": "2026-09-16T22:13:01+08:00",
      "panelItems": 9,
      "panelChecks": 6,
      "usableDiscoverySources": 10,
      "discoverySources": 10,
      "queriesAttempted": 142,
      "queriesSucceeded": 142,
      "selected": 9,
      "digitalCheckedAt": "2026-09-16T23:00:11+08:00",
      "digitalStatus": "scan_success_no_update",
      "digitalNewItems": 0,
      "publicationWindow": {
        "start": "2026-09-10",
        "end": "2026-09-16"
      },
      "lateArrivalCount": 61
    },
    {
      "date": "2026-09-15",
      "checkedAt": "2026-09-15T07:22:43+08:00",
      "panelItems": 8,
      "panelChecks": 6,
      "usableDiscoverySources": 10,
      "discoverySources": 10,
      "queriesAttempted": 158,
      "queriesSucceeded": 158,
      "selected": 1,
      "digitalCheckedAt": "2026-09-15T12:18:36+08:00",
      "digitalStatus": "scan_success_with_update",
      "digitalNewItems": 1,
      "publicationWindow": {
        "start": "2026-09-09",
        "end": "2026-09-15"
      },
      "lateArrivalCount": 29
    },
    {
      "date": "2026-09-14",
      "checkedAt": "2026-09-14T12:09:04+08:00",
      "panelItems": 6,
      "panelChecks": 6,
      "usableDiscoverySources": 10,
      "discoverySources": 10,
      "queriesAttempted": 158,
      "queriesSucceeded": 158,
      "selected": 4,
      "digitalCheckedAt": "2026-09-14T19:46:49+08:00",
      "digitalStatus": "scan_success_with_update",
      "digitalNewItems": 2,
      "publicationWindow": {
        "start": "2026-09-08",
        "end": "2026-09-14"
      },
      "lateArrivalCount": 46
    },
    {
      "date": "2026-09-13",
      "checkedAt": "2026-09-13T07:16:14+08:00",
      "panelItems": 5,
      "panelChecks": 6,
      "usableDiscoverySources": 10,
      "discoverySources": 10,
      "queriesAttempted": 158,
      "queriesSucceeded": 158,
      "selected": 5,
      "digitalCheckedAt": "2026-09-13T11:57:11+08:00",
      "digitalStatus": "scan_success_with_update",
      "digitalNewItems": 2,
      "publicationWindow": {
        "start": "2026-09-07",
        "end": "2026-09-13"
      },
      "lateArrivalCount": 37
    },
    {
      "date": "2026-09-12",
      "checkedAt": "2026-09-12T12:15:37+08:00",
      "panelItems": 23,
      "panelChecks": 6,
      "usableDiscoverySources": 8,
      "discoverySources": 10,
      "queriesAttempted": 142,
      "queriesSucceeded": 142,
      "selected": 7,
      "digitalCheckedAt": "2026-09-12T12:48:19+08:00",
      "digitalStatus": "scan_success_no_update",
      "digitalNewItems": 0,
      "publicationWindow": {
        "start": "2026-09-06",
        "end": "2026-09-12"
      },
      "lateArrivalCount": 37
    }
  ],
  "observations": {
    "panel": [
      {
        "sourceId": "ncha",
        "checkedAt": "2026-09-18T11:54:53+08:00",
        "status": "no_update",
        "scanStatus": "checked",
        "rawCount": 9,
        "note": ""
      },
      {
        "sourceId": "cultural-relics-news",
        "checkedAt": "2026-09-18T11:55:14+08:00",
        "status": "no_update",
        "scanStatus": "checked",
        "rawCount": 16,
        "note": ""
      },
      {
        "sourceId": "archaeology",
        "checkedAt": "2026-09-18T11:55:16+08:00",
        "status": "no_update",
        "scanStatus": "checked",
        "rawCount": 11,
        "note": ""
      },
      {
        "sourceId": "museum-association",
        "checkedAt": "2026-09-18T11:55:17+08:00",
        "status": "partial",
        "scanStatus": "partial",
        "rawCount": 3,
        "note": "中国博物馆协会公开资讯、行业资讯、公告和展览档案已回溯。"
      },
      {
        "sourceId": "xinhua-wenbo",
        "checkedAt": "2026-09-18T11:55:18+08:00",
        "status": "partial",
        "scanStatus": "partial",
        "rawCount": 243,
        "note": "新华网文博与文化频道公开页可回溯部分栏目，完整历史索引仍待补齐。"
      },
      {
        "sourceId": "cctv-wenbo",
        "checkedAt": "2026-09-18T11:55:53+08:00",
        "status": "partial",
        "scanStatus": "partial",
        "rawCount": 7,
        "note": "央视网文博与央视新闻公开页可回溯部分栏目，完整历史索引仍待补齐。"
      }
    ],
    "digital": {
      "checkedAt": "2026-09-18T12:19:41+08:00",
      "status": "scan_success_with_update",
      "contentItemsNew": 1,
      "fetchFailed": 0,
      "parseFailed": 0,
      "note": ""
    }
  },
  "meaning": "Fixed-panel counts are source articles by publication date; they are not unique events or proof of full coverage. Build time is not collection time."
}