{
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    "relation": "topic-surface-only",
    "scan_signal_ids": []
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  "dek": "两座近期开通的大桥，将促进朝鲜与其强大邻国之间的贸易往来。搁置10年后，接连中朝的鸭绿江新桥即将通车。",
  "desk": "politics",
  "event_id": "event-a3f2980da18b5c5aa4da86be",
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      "published_at": "2026-10-01T13:28:00Z",
      "role": "media",
      "source_id": "dw-chinese",
      "source_name": "Deutsche Welle",
      "title": "搁置十年的新鸭绿江大桥即将投入使用",
      "url": "https://www.dw.com/zh/搁置十年的新鸭绿江大桥即将投入使用/a-79491970?maca=chi-rss-chi-all-1127-rdf",
      "version_id": "itemv-77667868554067e3e14a1f7e"
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  "evidence_strength": "single-source",
  "headline": "搁置十年的新鸭绿江大桥即将投入使用",
  "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-f15d38167ec3a7da53f9c9fd"
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  "published_at": "2026-10-01T13:28:00Z",
  "reported_facts": [
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      "attribution": "Deutsche Welle",
      "evidence_item_id": "item-425746e592054386b97e2cf8",
      "published_at": "2026-10-01T13:28:00Z",
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  "topics": [
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  "updated_at": "2026-10-01T13:28:00Z",
  "url": "https://palimpsest.info/news/wire/event-a3f2980da18b5c5aa4da86be/",
  "version_id": "eventv-f15d38167ec3a7da53f9c9fd"
}