{
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    "relation": "topic-surface-only",
    "scan_signal_ids": []
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  "dek": "周三（10月7日），美国联邦调查局（FBI）转发了国务院对中国黑客张宇的千万美元悬赏公告，指张宇受上海国安厅指使，未经授权侵入美国高校及科学家开展的COVID-19（新冠病毒，中共肺炎）相关研究，企图窃取信息。",
  "desk": "politics",
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      "published_at": "2026-10-08T20:21:49Z",
      "role": "media",
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      "source_name": "RFI",
      "title": "美国千万美元悬赏中国黑客张宇",
      "url": "https://www.rfi.fr/cn/%E4%B8%AD%E5%9B%BD/20261008-%E7%BE%8E%E5%9B%BD%E5%8D%83%E4%B8%87%E7%BE%8E%E5%85%83%E6%82%AC%E8%B5%8F%E4%B8%AD%E5%9B%BD%E9%BB%91%E5%AE%A2%E5%BC%A0%E5%AE%87",
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  "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": {
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      "evidence_item_id": "item-bef347e48b957e7b0c9a79f8",
      "published_at": "2026-10-08T20:21:49Z",
      "statement": "RFI published “美国千万美元悬赏中国黑客张宇”."
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  "url": "https://palimpsest.info/news/wire/event-0cff15990a68925fec714ecf/",
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