{
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  "dek": "The US government has ordered its agencies to stop using artificial intelligence tools from Chinese mainland startup DeepSeek as the two countries race for dominance in the fast-moving sector. A notice on Monday from the Department of Homeland Security announced the ban on products developed by DeepSeek – and tools cre",
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      "item_id": "item-eff5c3c38e76cec5dee2d0a0",
      "published_at": "2026-10-20T04:55:46Z",
      "role": "media",
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      "source_name": "Radio Television Hong Kong",
      "title": "US agencies ordered to stop using DeepSeek AI tools",
      "url": "https://news.rthk.hk/rthk/en/component/k2/1874597-20261020.htm",
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  "headline": "US agencies ordered to stop using DeepSeek AI tools",
  "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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  "published_at": "2026-10-20T04:55:46Z",
  "reported_facts": [
    {
      "attribution": "Radio Television Hong Kong",
      "evidence_item_id": "item-eff5c3c38e76cec5dee2d0a0",
      "published_at": "2026-10-20T04:55:46Z",
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}