{
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    "relation": "topic-surface-only",
    "scan_signal_ids": []
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  "dek": "The barrier lake formed during the mudslide disaster in Gyirong County of southwest China's Xizang Autonomous Region has fully drained and is now under control, local authorities said on Tuesday.",
  "desk": "politics",
  "event_id": "event-0c9a0043f9b04252637dda81",
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      "item_id": "item-9192a8093e7e0b4ca2add7bd",
      "published_at": "2026-09-01T08:13:24Z",
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      "source_id": "cgtn-china",
      "source_name": "CGTN — China",
      "title": "Barrier lake above mudslide-hit Xizang port fully drained",
      "url": "https://news.cgtn.com/news/2026-09-01/Barrier-lake-above-mudslide-hit-Xizang-port-fully-drained-1Q5h1f3Vm6I/p.html",
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  "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-412161f3adf38b82d69d9c15"
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  "reported_facts": [
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      "attribution": "CGTN — China",
      "evidence_item_id": "item-9192a8093e7e0b4ca2add7bd",
      "published_at": "2026-09-01T08:13:24Z",
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  "updated_at": "2026-09-01T08:13:24Z",
  "url": "https://palimpsest.info/news/wire/event-0c9a0043f9b04252637dda81/",
  "version_id": "eventv-412161f3adf38b82d69d9c15"
}