{
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    "relation": "topic-surface-only",
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  "dek": "一组分析师在审视了长达六年的卫星图像后指出，随着伊朗与美国之间的冲突局势的发展，一处位于花岗岩层之下的疑似伊朗核设施今年出现了密集的施工活动。这处被称为镐山（Pickaxe Mountain）的设施位于德黑兰以南约225公里处的纳坦兹核设施附近，长期以来一直是情报机构关注的焦点；这些机构认为，该地点很可能是伊朗政权为保护其未来核计划相关活动而选定的场所。",
  "desk": "politics",
  "event_id": "event-a82f0c8ffb28464d6e902c94",
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    {
      "group_id": "france-medias-monde-rfi-editorial",
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        "media"
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        "rfi-chinese"
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      "independence_group": "france-medias-monde-rfi-editorial",
      "item_id": "item-91f82402bdea27876d30757d",
      "published_at": "2026-09-09T16:42:35Z",
      "role": "media",
      "source_id": "rfi-chinese",
      "source_name": "RFI",
      "title": "伊朗镐山“施工激增” 五角大楼测试能够针对伊朗埋藏最深地下设施方法",
      "url": "https://www.rfi.fr/cn/%E4%B8%AD%E4%B8%9C/20260909-%E4%BC%8A%E6%9C%97%E9%95%90%E5%B1%B1-%E6%96%BD%E5%B7%A5%E6%BF%80%E5%A2%9E-%E4%BA%94%E8%A7%92%E5%A4%A7%E6%A5%BC%E6%B5%8B%E8%AF%95%E8%83%BD%E5%A4%9F%E9%92%88%E5%AF%B9%E4%BC%8A%E6%9C%97%E5%9F%8B%E8%97%8F%E6%9C%80%E6%B7%B1%E5%9C%B0%E4%B8%8B%E8%AE%BE%E6%96%BD%E6%96%B9%E6%B3%95",
      "version_id": "itemv-408e4daf69062403c9d595af"
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  "evidence_strength": "single-source",
  "headline": "伊朗镐山“施工激增” 五角大楼测试能够针对伊朗埋藏最深地下设施方法",
  "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-7cb3622216d0a97ed307a373"
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  "published_at": "2026-09-09T16:42:35Z",
  "reported_facts": [
    {
      "attribution": "RFI",
      "evidence_item_id": "item-91f82402bdea27876d30757d",
      "published_at": "2026-09-09T16:42:35Z",
      "statement": "RFI published “伊朗镐山“施工激增” 五角大楼测试能够针对伊朗埋藏最深地下设施方法”."
    }
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  "topics": [
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    "politics",
    "rights"
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  "updated_at": "2026-09-09T16:42:35Z",
  "url": "https://palimpsest.info/news/wire/event-a82f0c8ffb28464d6e902c94/",
  "version_id": "eventv-7cb3622216d0a97ed307a373"
}