{
  "declared_links": {
    "economic_signal_ids": [],
    "relation": "topic-surface-only",
    "scan_signal_ids": []
  },
  "dek": "2025年11月5日，福建舰在海南三亚某军港正式入列，入列后不久，福建舰迅速开展了首次海上实兵训练。与福建舰同样备受关注的，我国首艘电磁弹射型两栖攻击舰四川舰，近日取得新的进展。",
  "desk": "security",
  "event_id": "event-4cf036eef6e3ced4bc2d6aa7",
  "evidence_groups": [
    {
      "group_id": "china-news-service-state-media",
      "roles": [
        "media"
      ],
      "source_ids": [
        "china-news-service-politics"
      ]
    }
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  "evidence_refs": [
    {
      "independence_group": "china-news-service-state-media",
      "item_id": "item-56df03469d1e33f293be3563",
      "published_at": "2026-11-07T09:02:32Z",
      "role": "media",
      "source_id": "china-news-service-politics",
      "source_name": "China News Service",
      "title": "无人机海上着舰有多难？详解“攻击-21”着舰四川舰全流程",
      "url": "https://www.chinanews.com.cn/gn/2026/11-07/10727958.shtml",
      "version_id": "itemv-1ac93a36f52742e5eac4ceba"
    }
  ],
  "evidence_strength": "single-source",
  "headline": "无人机海上着舰有多难？详解“攻击-21”着舰四川舰全流程",
  "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-269ea1e4a7be193261a3fcda"
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  "published_at": "2026-11-07T09:02:32Z",
  "reported_facts": [
    {
      "attribution": "China News Service",
      "evidence_item_id": "item-56df03469d1e33f293be3563",
      "published_at": "2026-11-07T09:02:32Z",
      "statement": "China News Service published “无人机海上着舰有多难？详解“攻击-21”着舰四川舰全流程”."
    }
  ],
  "topics": [
    "government",
    "politics",
    "security"
  ],
  "updated_at": "2026-11-07T09:02:32Z",
  "url": "https://palimpsest.info/news/wire/event-4cf036eef6e3ced4bc2d6aa7/",
  "version_id": "eventv-269ea1e4a7be193261a3fcda"
}