{
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    "relation": "topic-surface-only",
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  "dek": "A year after China unveiled the world’s first operational air-breathing hypersonic missiles, the United States is launching a programme to double down on developing similar weapons. The US Defence Advanced Research Projects Agency (Darpa) will bring contractors together later this month to lay out what it wants from th",
  "desk": "politics",
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      "item_id": "item-8fb3fe6a79f36f90813ed3f5",
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      "source_name": "South China Morning Post — China",
      "title": "US scrambles to match China’s air-breathing hypersonic missiles with Darpa programme",
      "url": "https://www.scmp.com/news/china/science/article/3366908/us-scrambles-match-chinas-air-breathing-hypersonic-missiles-darpa-programme",
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  "headline": "US scrambles to match China’s air-breathing hypersonic missiles with Darpa programme",
  "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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  "reported_facts": [
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      "attribution": "South China Morning Post — China",
      "evidence_item_id": "item-8fb3fe6a79f36f90813ed3f5",
      "published_at": "2026-09-09T14:00:09Z",
      "statement": "South China Morning Post — China published “US scrambles to match China’s air-breathing hypersonic missiles with Darpa programme”."
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  "updated_at": "2026-09-09T14:00:09Z",
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}