{
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    "economic_signal_ids": [],
    "relation": "topic-surface-only",
    "scan_signal_ids": []
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  "dek": "A rare salt sinkhole lies in the Gobi wilderness at the southern foot of the Tianshan Mountains, about 23 kilometers northwest of Baicheng County in Xinjiang. The site features a sinkhole-like depression formed by years of rainwater erosion, with an underground chamber covering around 1,000 square meters.",
  "desk": "politics",
  "event_id": "event-922d31b1ce3024a9581172e0",
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        "media"
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        "cgtn-china"
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      "independence_group": "china-media-group-state-media",
      "item_id": "item-ee27d2506ec81835cbed2f29",
      "published_at": "2026-11-13T07:42:43Z",
      "role": "media",
      "source_id": "cgtn-china",
      "source_name": "CGTN — China",
      "title": "Hidden salt sinkhole reveals rare geological wonder",
      "url": "https://news.cgtn.com/news/2026-11-13/Hidden-salt-sinkhole-reveals-rare-geological-wonder-1S2m1JqPn44/p.html",
      "version_id": "itemv-a62c2410da5e0e123673d866"
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  "headline": "Hidden salt sinkhole reveals rare geological wonder",
  "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."
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  "mutation": {
    "kind": "unchanged",
    "previous_version_id": "eventv-982c2f12761240a99d20a4e3"
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  "published_at": "2026-11-13T07:42:43Z",
  "reported_facts": [
    {
      "attribution": "CGTN — China",
      "evidence_item_id": "item-ee27d2506ec81835cbed2f29",
      "published_at": "2026-11-13T07:42:43Z",
      "statement": "CGTN — China published “Hidden salt sinkhole reveals rare geological wonder”."
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  "updated_at": "2026-11-13T07:42:43Z",
  "url": "https://palimpsest.info/news/wire/event-922d31b1ce3024a9581172e0/",
  "version_id": "eventv-982c2f12761240a99d20a4e3"
}