{
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    "relation": "topic-surface-only",
    "scan_signal_ids": []
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  "dek": "路透社披露的此番采购将有助于巩固北京与华盛顿的贸易和外交关系，但这也恰逢全球油籽供应趋紧之际。",
  "desk": "politics",
  "event_id": "event-21fc7b32a22f4f140aded554",
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      "published_at": "2026-09-10T10:43:00Z",
      "role": "media",
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      "source_name": "Deutsche Welle",
      "title": "路透社：习近平访美前，中国采购百万吨美国大豆",
      "url": "https://www.dw.com/zh/路透社：习近平访美前，中国采购百万吨美国大豆/a-79211730?maca=chi-rss-chi-all-1127-rdf",
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  "headline": "路透社：习近平访美前，中国采购百万吨美国大豆",
  "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",
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  "updated_at": "2026-09-10T10:43:00Z",
  "url": "https://palimpsest.info/news/wire/event-21fc7b32a22f4f140aded554/",
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