{
  "as_of": "2026-10-29",
  "kind": "historical_daily_rate_evidence",
  "note": "Historical source-event or capture counts divided by inclusive calendar days; not live daily additions, delivered briefings, authorized redistribution, or promised throughput. Source-specific units and periods differ.",
  "snapshot_sha256": "5d4aad8c6fda784a94ee249f9e5a720914ce0a82777a0eb5bf3e83d0162bf882",
  "metrics": [
    {
      "id": "spot",
      "kind": "historical_calendar_daily_average",
      "start": "2026-05-02",
      "end": "2026-09-30",
      "calendar_days": 152,
      "numerator": 104379,
      "average": 686.703947368421,
      "badge_cn": "日均新增≈690条",
      "badge_en": "avg +690/day",
      "basis": "Distinct dated price-series observations; not independent commodities.",
      "sql": "select count(distinct (commodity_id,observation_date,series)) from market_commodity_spot where observation_date between '2026-05-02' and '2026-09-30'",
      "sources": [
        {
          "dataset_id": "market.commodity.spot",
          "release_id": "r1793274405-5050863ea5fe",
          "manifest_sha256": "336f6797e10d1b8b701eabdb562d1a2b76f728165728837859421032e25e39a8"
        }
      ]
    },
    {
      "id": "filings",
      "kind": "historical_calendar_daily_average",
      "start": "2026-05-02",
      "end": "2026-09-30",
      "calendar_days": 152,
      "numerator": 213491,
      "average": 1404.546052631579,
      "badge_cn": "日均新增≈1,400项",
      "badge_en": "avg +1.4k facts/day",
      "basis": "Financial metric facts by source publication date; not companies or complete reports. Disclosures cluster around reporting periods.",
      "sql": "select count(distinct (symbol,report_period,statement,metric)) from financials_cn_facts where published_at between '20260502' and '20260930'",
      "sources": [
        {
          "dataset_id": "financials.cn.facts",
          "release_id": "r1791991181-5289bc320605",
          "manifest_sha256": "98bc427b24cbc25a830b4f7f2bc95688bad9eee1718f4e9bdd5ad3a1ab651b07"
        }
      ]
    },
    {
      "id": "weather",
      "kind": "historical_calendar_daily_average",
      "start": "2026-10-15",
      "end": "2026-10-29",
      "calendar_days": 15,
      "numerator": 562957,
      "average": 37530.46666666667,
      "badge_cn": "日均捕获≈3.8万条",
      "badge_en": "avg 38k captures/day",
      "basis": "Captured weather rows, including initial history loads, repeated captures and model forecasts. Not unique new observations or steady-state throughput.",
      "sql": "select count(distinct (location_id,date,leg,layer,captured_at)) from weather_locations_daily where to_timestamp(captured_at)::date between date '2026-10-15' and date '2026-10-29'",
      "sources": [
        {
          "dataset_id": "weather.locations.daily",
          "release_id": "r1793276951-48385565de87",
          "manifest_sha256": "de4a017e14016e4ad19bea92c1c86cd2c1ddcf97851de0caa7d7ad6be3c9a173"
        }
      ]
    },
    {
      "id": "trade",
      "kind": "historical_calendar_daily_average",
      "start": "2026-05-01",
      "end": "2026-08-31",
      "calendar_days": 123,
      "numerator": 611010,
      "average": 4967.5609756097565,
      "badge_cn": "日均折算≈5,000条",
      "badge_en": "avg equiv. 5k/day",
      "basis": "Four complete source months divided by their 123 calendar days. The source publishes monthly, not daily.",
      "sql": "select count(distinct (period,hs_code,partner_code,source_flow)) from customs_cn_monthly where period between '202605' and '202608'",
      "sources": [
        {
          "dataset_id": "customs.cn.monthly",
          "release_id": "r1791885043-82cbec9bc32a",
          "manifest_sha256": "e7de167aa4eed0ddf30adb6081882f70b5a2fefda0b8c2f485952a2b3189bdb7"
        }
      ]
    },
    {
      "id": "interviews",
      "kind": "historical_calendar_daily_average",
      "start": "2026-05-02",
      "end": "2026-09-30",
      "calendar_days": 152,
      "numerator": 45402,
      "average": 298.69736842105266,
      "badge_cn": "日均新刊≈300集",
      "badge_en": "avg +300 episodes/day",
      "basis": "Episode metadata by source publication date. Not transcripts or exhaustive feed histories.",
      "sql": "select count(distinct (podcast_id,episode_id)) from podcast_episodes_meta where row_scope='episode' and substr(published_date,1,10) between '2026-05-02' and '2026-09-30'",
      "sources": [
        {
          "dataset_id": "podcast.episodes.meta",
          "release_id": "r1791936544-94d9016c1b40",
          "manifest_sha256": "729c6e4d7dc829e7260ac2521d1316dbdce1501e166a6dcc6b6f234c51078dcb"
        }
      ]
    },
    {
      "id": "patents",
      "kind": "historical_calendar_daily_average",
      "start": "2026-05-02",
      "end": "2026-09-30",
      "calendar_days": 152,
      "numerator": 2229750,
      "average": 14669.407894736842,
      "badge_cn": "日均文献≈1.5万条",
      "badge_en": "avg +15k docs/day",
      "basis": "CN and US publication and grant documents by source event date. Not unique inventions; ingestion is batched and may lag.",
      "sql": "select (select count(distinct publication_number) from patents_cn_publications where publication_date between '20260502' and '20260930')+(select count(distinct publication_number) from patents_us_publications where event_date between '20260502' and '20260930')",
      "sources": [
        {
          "dataset_id": "patents.cn.publications",
          "release_id": "r1791946166-02462dba92c6",
          "manifest_sha256": "1896cf0a08c379da2573444454888972e82a3ce1cd17496cf27dd8fedaef2247"
        },
        {
          "dataset_id": "patents.us.publications",
          "release_id": "r1791936558-da71f0341890",
          "manifest_sha256": "adc28c819b15b809f00c54209a86fa6ce162b7b66d315336492ff70764bc19b8"
        }
      ]
    },
    {
      "id": "scholars",
      "kind": "annual_snapshot",
      "badge_cn": "年度更新",
      "badge_en": "annual edition",
      "basis": "No daily addition series. Annual author totals are not daily new authors."
    },
    {
      "id": "exhibitions",
      "kind": "curated_snapshot",
      "badge_cn": "不定期更新",
      "badge_en": "periodic curation",
      "basis": "No dated addition history. Inferred schedules are not observed daily additions."
    }
  ]
}
