{
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    "relation": "topic-surface-only",
    "scan_signal_ids": []
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  "dek": "The offline exhibition of the 140th China Import and Export Fair, also known as the Canton Fair, is underway, attracting large numbers of buyers from around the world.",
  "desk": "economy",
  "event_id": "event-e9033e034e507a1793f06e99",
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      "source_name": "CGTN — China",
      "title": "AI-powered products take center stage at 140th Canton Fair",
      "url": "https://news.cgtn.com/news/2026-10-18/AI-powered-products-take-center-stage-at-140th-Canton-Fair-1RlwZLhyCgE/p.html",
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  "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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  "url": "https://palimpsest.info/news/wire/event-e9033e034e507a1793f06e99/",
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}