{
  "declared_links": {
    "economic_signal_ids": [],
    "relation": "topic-surface-only",
    "scan_signal_ids": []
  },
  "dek": "周五，美国空中交通管制系统发生通信故障，联邦航空管理局紧急下令，全国机场暂停航班起飞。尽管数小时后停飞令解除，但16000次航班延误或取消，数万名旅客滞留机场。这是自2001年“911”恐怖袭击以来，美国持续时间最长的一次全国性航班停飞。",
  "desk": "politics",
  "event_id": "event-a5ceb686cad52ef55c37e2af",
  "evidence_groups": [
    {
      "group_id": "france-medias-monde-rfi-editorial",
      "roles": [
        "media"
      ],
      "source_ids": [
        "rfi-chinese"
      ]
    }
  ],
  "evidence_refs": [
    {
      "independence_group": "france-medias-monde-rfi-editorial",
      "item_id": "item-98e4c18ec1d268513d11f712",
      "published_at": "2026-11-14T21:03:16Z",
      "role": "media",
      "source_id": "rfi-chinese",
      "source_name": "RFI",
      "title": "美航班全国性停飞长达4个小时 约16000次航班取消",
      "url": "https://www.rfi.fr/cn/%E7%BE%8E%E6%B4%B2/20261114-%E7%BE%8E%E8%88%AA%E7%8F%AD%E5%85%A8%E5%9B%BD%E6%80%A7%E5%81%9C%E9%A3%9E%E9%95%BF%E8%BE%BE4%E4%B8%AA%E5%B0%8F%E6%97%B6-%E7%BA%A616000%E6%AC%A1%E8%88%AA%E7%8F%AD%E5%8F%96%E6%B6%88",
      "version_id": "itemv-ee6a606e7570eedc5510aa5d"
    }
  ],
  "evidence_strength": "single-source",
  "headline": "美航班全国性停飞长达4个小时 约16000次航班取消",
  "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-bbc780c7e9b8d1c635b0b496"
  },
  "published_at": "2026-11-14T21:03:16Z",
  "reported_facts": [
    {
      "attribution": "RFI",
      "evidence_item_id": "item-98e4c18ec1d268513d11f712",
      "published_at": "2026-11-14T21:03:16Z",
      "statement": "RFI published “美航班全国性停飞长达4个小时 约16000次航班取消”."
    }
  ],
  "topics": [
    "economy",
    "politics",
    "rights"
  ],
  "updated_at": "2026-11-14T21:03:16Z",
  "url": "https://palimpsest.info/news/wire/event-a5ceb686cad52ef55c37e2af/",
  "version_id": "eventv-bbc780c7e9b8d1c635b0b496"
}