{
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    ],
    "relation": "topic-surface-only",
    "scan_signal_ids": []
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  "dek": "Canada's retaliatory tariffs on US goods took effect just after midnight on Tuesday as Canadian Prime Minister Mark Carney increased economic pressure on his country's biggest trading partner after negotiations collapsed last month, intensifying an 18-month-old trade war. The counter-tariffs cover US$20 billion of US g",
  "desk": "economy",
  "event_id": "event-c2df4219ca218c83999f2df3",
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      "independence_group": "rthk-editorial",
      "item_id": "item-83eda061ee0324341d961f3b",
      "published_at": "2026-09-08T07:06:37Z",
      "role": "media",
      "source_id": "rthk-finance",
      "source_name": "Radio Television Hong Kong",
      "title": "Canada retaliatory tariffs take effect against US",
      "url": "https://news.rthk.hk/rthk/en/component/k2/1869248-20260908.htm",
      "version_id": "itemv-e1709a7462aedf5cb8bd91dc"
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  "headline": "Canada retaliatory tariffs take effect against US",
  "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-745344a7b7f957c403b69fd2"
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  "published_at": "2026-09-08T07:06:37Z",
  "reported_facts": [
    {
      "attribution": "Radio Television Hong Kong",
      "evidence_item_id": "item-83eda061ee0324341d961f3b",
      "published_at": "2026-09-08T07:06:37Z",
      "statement": "Radio Television Hong Kong published “Canada retaliatory tariffs take effect against US”."
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  "topics": [
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  "updated_at": "2026-09-08T07:06:37Z",
  "url": "https://palimpsest.info/news/wire/event-c2df4219ca218c83999f2df3/",
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}