{
  "schemaVersion": 1,
  "status": "verified",
  "generatedAt": "2026-07-15T11:35:00+09:00",
  "sources": [
    {
      "name": "Wikidata Query Service",
      "url": "https://query.wikidata.org/sparql",
      "accessedAt": "2026-07-15T10:20:18+09:00",
      "role": "Frozen item, class, date, and language-sitelink cohort"
    },
    {
      "name": "MediaWiki Revisions API",
      "url": "https://www.mediawiki.org/wiki/API:Revisions",
      "accessedAt": "2026-07-15T10:20:18+09:00",
      "role": "Official oldest-revision query reference"
    },
    {
      "name": "English Wikipedia Action API",
      "url": "https://en.wikipedia.org/w/api.php",
      "accessedAt": "2026-07-15T10:20:18+09:00",
      "role": "English oldest revisions and redirects"
    },
    {
      "name": "Japanese Wikipedia Action API",
      "url": "https://ja.wikipedia.org/w/api.php",
      "accessedAt": "2026-07-15T10:20:18+09:00",
      "role": "Japanese oldest revisions and redirects"
    },
    {
      "name": "Wikimedia Analytics API",
      "url": "https://wikimedia.org/api/rest_v1/metrics/pageviews/per-article",
      "accessedAt": "2026-07-15T11:17:20+09:00",
      "role": "Exploratory 12-month English Wikipedia all-agents pageview series"
    }
  ],
  "dataset": {
    "path": "evidence/data/wikipedia-en-ja-technical-2016-2023.jsonl.gz",
    "sha256": "55a12c426f56aef692fc0f1802bfa1179460243c5875225ce6d66406255f02cc",
    "rowCount": 176,
    "periodStart": "2016-01-01T00:00:00Z",
    "periodEnd": "2024-01-01T00:00:00Z",
    "completenessGuard": "The Wikidata count query must equal the distinct detail-query item count; every item must have an oldest English revision; fewer than 150 rows aborts acquisition."
  },
  "supplementalDatasets": [
    {
      "path": "evidence/data/enwiki-pageviews-2025-07_2026-06.jsonl.gz",
      "sha256": "7297d0c3dac8cb4cd5195093c4b48460e4603f752802f43c7095b00d9a9b5b72",
      "rowCount": 176,
      "periodStart": "2025-07-01T00:00:00Z",
      "periodEnd": "2026-06-30T23:59:59Z",
      "metadataPath": "evidence/pageview-fetch-metadata.json",
      "metadataSha256": "3dea728226d4e2e818cf084d4adaf318b949c1a1810f8878cd0cc339ba0aaeed"
    },
    {
      "path": "evidence/explorer-cohort.json",
      "sha256": "80d35bdaf429f7b0816187c1d902b6da2a5306f06d658050699b77f54c80f28d",
      "rowCount": 176,
      "derivedFrom": [
        "55a12c426f56aef692fc0f1802bfa1179460243c5875225ce6d66406255f02cc",
        "7297d0c3dac8cb4cd5195093c4b48460e4603f752802f43c7095b00d9a9b5b72"
      ]
    }
  ],
  "acquisition": {
    "script": "evidence/fetch.py",
    "command": "python3 evidence/fetch.py",
    "executedAt": "2026-07-15T01:20:18.152267+00:00",
    "exitCode": 0,
    "metadataPath": "evidence/fetch-metadata.json",
    "metadataSha256": "34dd7903f2d436e44c836e8e6305b7728bfcf6e3d4cc1463267383d874db7af6"
  },
  "analysis": {
    "script": "evidence/analyze.py",
    "command": "python3 evidence/analyze.py",
    "executedAt": "2026-07-15T02:25:00Z",
    "exitCode": 0,
    "pythonVersion": "3.14.3",
    "environmentPath": "evidence/requirements.txt",
    "resultsPath": "evidence/results.json",
    "resultsSha256": "74de4d945534bf8f34ddc9f89c3d7ac79fe28bdc362c9909f6b4bec335d17202"
  },
  "claims": [
    {
      "id": "sample_total",
      "resultPath": "overall.n",
      "value": 176
    },
    {
      "id": "observed_ja",
      "resultPath": "overall.observedJaArticles",
      "value": 69
    },
    {
      "id": "snapshot_absent_rate",
      "resultPath": "overall.snapshotJaAbsentRate",
      "value": 0.607955
    },
    {
      "id": "one_year_probability",
      "resultPath": "overall.horizons.3.creationProbability",
      "value": 0.230985
    },
    {
      "id": "two_year_probability",
      "resultPath": "overall.horizons.4.creationProbability",
      "value": 0.288045
    },
    {
      "id": "os_two_year",
      "resultPath": "classes.3.twoYearCreationProbability",
      "value": 0.568182
    },
    {
      "id": "other_software_two_year",
      "resultPath": "classes.4.twoYearCreationProbability",
      "value": 0.162647
    },
    {
      "id": "unique_page_sensitivity",
      "resultPath": "sensitivities.oneItemPerResolvedEnglishPage.horizons.4.creationProbability",
      "value": 0.293272
    },
    {
      "id": "no_ja_sitelink_pageviews",
      "resultPath": "pageviews.noJapaneseSitelinkPageviews",
      "value": 3596182
    },
    {
      "id": "top_missing_pageviews",
      "resultPath": "pageviews.topMissing.0.pageviews",
      "value": 411989
    }
  ],
  "figures": [
    {
      "path": "figures/article-creation-coverage.svg",
      "sha256": "ce25ecbb32615682ba3f5040a39467ff46e6c6cfda33e854ccb016a20348cec3",
      "claimIds": ["one_year_probability", "two_year_probability"]
    },
    {
      "path": "figures/two-year-coverage-by-class.svg",
      "sha256": "414d1879ccb9030fb4b627b70531bdd8c69877e59163d212fab987ea33be0bd8",
      "claimIds": ["os_two_year", "other_software_two_year"]
    },
    {
      "path": "figures/top-missing-pageviews.svg",
      "sha256": "f11dcc61f34518ce0e318bf7b68688b193ee8ff8ce335b2f592fec481cab04c3",
      "claimIds": ["no_ja_sitelink_pageviews", "top_missing_pageviews"]
    }
  ],
  "editorialReview": {
    "decision": "approved",
    "reviewedAt": "2026-07-15T11:35:00+09:00",
    "reviewedBy": "Trendiumo evidence audit and Codex editorial review",
    "reviewerType": "automated",
    "notes": "Approved for Trendiumo after protocol, data minimization, right-censoring, redirect and duplicate-page sensitivities, claim mapping, non-causal wording, and limitation review. The pageview extension is explicitly exploratory, all-agents, and not a measure of Japanese demand. Zenn remains a human-approved draft."
  },
  "publicArtifacts": [
    "evidence/protocol.json",
    "evidence/fetch.py",
    "evidence/fetch_pageviews.py",
    "evidence/analyze.py",
    "evidence/requirements.txt",
    "evidence/fetch-metadata.json",
    "evidence/pageview-fetch-metadata.json",
    "evidence/results.json",
    "evidence/explorer-cohort.json",
    "evidence/cohort.csv",
    "evidence/km-overall.csv",
    "evidence/class-summary.csv",
    "evidence/data/wikipedia-en-ja-technical-2016-2023.jsonl.gz",
    "evidence/data/enwiki-pageviews-2025-07_2026-06.jsonl.gz"
  ]
}