{
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    "relation": "topic-surface-only",
    "scan_signal_ids": []
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  "dek": "四川省宜宾市发生4.7级地震，位于成都的成都高新减灾研究所在地震发生五秒后，发出了7.7级地震的预警。该研究所为此致歉，并表示将尽快查明原因，改进服务。",
  "desk": "politics",
  "event_id": "event-d5fd7cc5ae53c817023125e9",
  "evidence_groups": [
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    {
      "independence_group": "deutsche-welle-chinese-editorial",
      "item_id": "item-4c0d03672c09ddd1404084a2",
      "published_at": "2026-08-24T12:48:00Z",
      "role": "media",
      "source_id": "dw-chinese",
      "source_name": "Deutsche Welle",
      "title": "成都一研究所为误发7.7级地震预警致歉",
      "url": "https://www.dw.com/zh/成都一研究所为误发7-7级地震预警致歉/a-78486025?maca=chi-rss-chi-all-1127-rdf",
      "version_id": "itemv-9a12a1ec5b2da324cc6dce22"
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  "evidence_strength": "single-source",
  "headline": "成都一研究所为误发7.7级地震预警致歉",
  "lead": false,
  "lead_reason": "Current single-source metadata is retained but not promoted as a lead.",
  "limitations": [
    "Palimpsest retained only feed title, canonical link, time, and a bounded plain-text excerpt; it did not fetch the article body.",
    "The evidence-strength label describes source structure, not truth, intent, impact, or causation.",
    "Declared instrument links are topical pointers until a separate scan or economic observation is joined by time and method.",
    "Title-similarity clustering can miss differently worded or cross-language accounts and can join closely worded updates.",
    "This dossier currently contains one independent evidence group and remains explicitly attributed."
  ],
  "mutation": {
    "kind": "new",
    "previous_version_id": null
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  "published_at": "2026-08-24T12:48:00Z",
  "reported_facts": [
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      "attribution": "Deutsche Welle",
      "evidence_item_id": "item-4c0d03672c09ddd1404084a2",
      "published_at": "2026-08-24T12:48:00Z",
      "statement": "Deutsche Welle published “成都一研究所为误发7.7级地震预警致歉”."
    }
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    "economy",
    "measurement",
    "politics",
    "rights"
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  "updated_at": "2026-08-24T12:48:00Z",
  "url": "https://palimpsest.info/news/wire/event-d5fd7cc5ae53c817023125e9/",
  "version_id": "eventv-c96a6f1626e9d8b476e3f225"
}