{
  "declared_links": {
    "economic_signal_ids": [],
    "relation": "topic-surface-only",
    "scan_signal_ids": []
  },
  "dek": "一枚失控的SpaceX火箭據報墜毀在月球上，在著名的月球地標附近造成隕石坑，科學家認為這次撞擊提供一個獨特契機，研究未來的探測任務。本週三（8月5日），SpaceX一枚獵鷹9號的空載上級火箭，以每小時約8700公里撞擊月球表面的愛因斯坦隕石坑附近區域。",
  "desk": "politics",
  "event_id": "event-0999eb8a34c505ccc4d35f16",
  "evidence_groups": [
    {
      "group_id": "bbc-chinese-editorial",
      "roles": [
        "media"
      ],
      "source_ids": [
        "bbc-chinese"
      ]
    }
  ],
  "evidence_refs": [
    {
      "independence_group": "bbc-chinese-editorial",
      "item_id": "item-a375231528b261d1827b24f6",
      "published_at": "2026-08-06T09:13:11Z",
      "role": "media",
      "source_id": "bbc-chinese",
      "source_name": "BBC News Chinese",
      "title": "SpaceX火箭撞擊月球 NASA將啟動調查事故",
      "url": "https://www.bbc.com/zhongwen/articles/cp8e4d00v24o/trad?at_campaign=rss&at_medium=RSS",
      "version_id": "itemv-81b9c226880ba5633cc66482"
    }
  ],
  "evidence_strength": "single-source",
  "headline": "SpaceX火箭撞擊月球 NASA將啟動調查事故",
  "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-d724038530c77e2bdc6d0124"
  },
  "published_at": "2026-08-06T09:13:11Z",
  "reported_facts": [
    {
      "attribution": "BBC News Chinese",
      "evidence_item_id": "item-a375231528b261d1827b24f6",
      "published_at": "2026-08-06T09:13:11Z",
      "statement": "BBC News Chinese published “SpaceX火箭撞擊月球 NASA將啟動調查事故”."
    }
  ],
  "topics": [
    "measurement",
    "politics",
    "rights"
  ],
  "updated_at": "2026-08-06T09:13:11Z",
  "url": "https://palimpsest.info/news/wire/event-0999eb8a34c505ccc4d35f16/",
  "version_id": "eventv-d724038530c77e2bdc6d0124"
}