{
  "declared_links": {
    "economic_signal_ids": [],
    "relation": "topic-surface-only",
    "scan_signal_ids": []
  },
  "dek": "一年多來，家庭和企業早已習慣關稅對生活成本帶來影響，如今又將有哪些變化？",
  "desk": "politics",
  "event_id": "event-9723d3d74fb4a00159c5893a",
  "evidence_groups": [
    {
      "group_id": "bbc-chinese-editorial",
      "roles": [
        "media"
      ],
      "source_ids": [
        "bbc-chinese"
      ]
    }
  ],
  "evidence_refs": [
    {
      "independence_group": "bbc-chinese-editorial",
      "item_id": "item-3ad7841eb13f4b37aac03c8d",
      "published_at": "2026-09-09T08:30:16Z",
      "role": "media",
      "source_id": "bbc-chinese",
      "source_name": "BBC News Chinese",
      "title": "關稅真正會讓加拿大人和美國人付出什麼代價",
      "url": "https://www.bbc.com/zhongwen/articles/clyrj0l2ydyo/trad?at_campaign=rss&at_medium=RSS",
      "version_id": "itemv-25bb1d4c860d1feaf3bb1099"
    }
  ],
  "evidence_strength": "single-source",
  "headline": "關稅真正會讓加拿大人和美國人付出什麼代價",
  "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."
  ],
  "mutation": {
    "kind": "unchanged",
    "previous_version_id": "eventv-d7cebc4f5146ee80e61ac5c2"
  },
  "published_at": "2026-09-09T08:30:16Z",
  "reported_facts": [
    {
      "attribution": "BBC News Chinese",
      "evidence_item_id": "item-3ad7841eb13f4b37aac03c8d",
      "published_at": "2026-09-09T08:30:16Z",
      "statement": "BBC News Chinese published “關稅真正會讓加拿大人和美國人付出什麼代價”."
    }
  ],
  "topics": [
    "politics",
    "rights"
  ],
  "updated_at": "2026-09-09T08:30:16Z",
  "url": "https://palimpsest.info/news/wire/event-9723d3d74fb4a00159c5893a/",
  "version_id": "eventv-d7cebc4f5146ee80e61ac5c2"
}