{
  "declared_links": {
    "economic_signal_ids": [],
    "relation": "topic-surface-only",
    "scan_signal_ids": []
  },
  "dek": "美國30個州已對Meta提起訴訟，要求徹底改革年輕用戶的社交平台。",
  "desk": "technology",
  "event_id": "event-f11127f057e9084c4ec1500e",
  "evidence_groups": [
    {
      "group_id": "bbc-chinese-editorial",
      "roles": [
        "media"
      ],
      "source_ids": [
        "bbc-chinese"
      ]
    }
  ],
  "evidence_refs": [
    {
      "independence_group": "bbc-chinese-editorial",
      "item_id": "item-c2276870b1e98ed50bee2e0d",
      "published_at": "2026-08-17T12:16:16Z",
      "role": "media",
      "source_id": "bbc-chinese",
      "source_name": "BBC News Chinese",
      "title": "Meta 若輸掉這訴訟，Instagram 和 Facebook 或會永遠改變",
      "url": "https://www.bbc.com/zhongwen/articles/c4g33g9red9o/trad?at_campaign=rss&at_medium=RSS",
      "version_id": "itemv-58748c4ee6ebc1687c796966"
    }
  ],
  "evidence_strength": "single-source",
  "headline": "Meta 若輸掉這訴訟，Instagram 和 Facebook 或會永遠改變",
  "lead": false,
  "lead_reason": "All contributing source receipts are stale; the attributed dossier is retained but cannot 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-5843e3e0eab05775bacfbc01"
  },
  "published_at": "2026-08-17T12:16:16Z",
  "reported_facts": [
    {
      "attribution": "BBC News Chinese",
      "evidence_item_id": "item-c2276870b1e98ed50bee2e0d",
      "published_at": "2026-08-17T12:16:16Z",
      "statement": "BBC News Chinese published “Meta 若輸掉這訴訟，Instagram 和 Facebook 或會永遠改變”."
    }
  ],
  "topics": [
    "politics",
    "rights",
    "technology"
  ],
  "updated_at": "2026-08-17T12:16:16Z",
  "url": "https://palimpsest.info/news/wire/event-f11127f057e9084c4ec1500e/",
  "version_id": "eventv-5843e3e0eab05775bacfbc01"
}