{
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    "relation": "topic-surface-only",
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  "dek": "美联社周一（8月25日）发布的报道称，特朗普政府正准备撤销多达20万名外国人的商务和旅游签证。这些人曾申请美国庇护，或目前正在寻求庇护。如果这一措施最终实施，将成为美国历史上规模最大的一次单次大规模签证撤销行动，并很可能面临法律挑战。",
  "desk": "politics",
  "event_id": "event-b8fbf340653d007355d6c767",
  "evidence_groups": [
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      "roles": [
        "media"
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      "source_ids": [
        "rfi-chinese"
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      "independence_group": "france-medias-monde-rfi-editorial",
      "item_id": "item-21063355fa31f069f6330e27",
      "published_at": "2026-08-25T08:01:30Z",
      "role": "media",
      "source_id": "rfi-chinese",
      "source_name": "RFI",
      "title": "美国拟实施史上最大规模撤签行动：主要针对以商务和旅游签入境寻求庇护者，或波及多达20万人",
      "url": "https://www.rfi.fr/cn/%E6%94%BF%E6%B2%BB/20260825-%E7%BE%8E%E5%9B%BD%E6%8B%9F%E5%AE%9E%E6%96%BD%E5%8F%B2%E4%B8%8A%E6%9C%80%E5%A4%A7%E8%A7%84%E6%A8%A1%E6%92%A4%E7%AD%BE%E8%A1%8C%E5%8A%A8-%E4%B8%BB%E8%A6%81%E9%92%88%E5%AF%B9%E4%BB%A5%E5%95%86%E5%8A%A1%E5%92%8C%E6%97%85%E6%B8%B8%E7%AD%BE%E5%85%A5%E5%A2%83%E5%AF%BB%E6%B1%82%E5%BA%87%E6%8A%A4%E8%80%85%EF%BC%8C%E6%88%96%E6%B3%A2%E5%8F%8A%E5%A4%9A%E8%BE%BE20%E4%B8%87%E4%BA%BA",
      "version_id": "itemv-6fdc2f06545ff0fb2bdbcb13"
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  "evidence_strength": "single-source",
  "headline": "美国拟实施史上最大规模撤签行动：主要针对以商务和旅游签入境寻求庇护者，或波及多达20万人",
  "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": "new",
    "previous_version_id": null
  },
  "published_at": "2026-08-25T08:01:30Z",
  "reported_facts": [
    {
      "attribution": "RFI",
      "evidence_item_id": "item-21063355fa31f069f6330e27",
      "published_at": "2026-08-25T08:01:30Z",
      "statement": "RFI published “美国拟实施史上最大规模撤签行动：主要针对以商务和旅游签入境寻求庇护者，或波及多达20万人”."
    }
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  "topics": [
    "economy",
    "government",
    "politics",
    "rights"
  ],
  "updated_at": "2026-08-25T08:01:30Z",
  "url": "https://palimpsest.info/news/wire/event-b8fbf340653d007355d6c767/",
  "version_id": "eventv-a3066d165693eb1e844ffd38"
}