{
  "declared_links": {
    "economic_signal_ids": [],
    "relation": "topic-surface-only",
    "scan_signal_ids": []
  },
  "dek": "一枚搭载中星4B卫星的长征七号甲运载火箭点火升空后出现飞行异常，发射失利。有专家认为，这次发射失利不会对嫦娥七号的发射日程产生实质影响。",
  "desk": "politics",
  "event_id": "event-29658fcac24834365b0f2582",
  "evidence_groups": [
    {
      "group_id": "deutsche-welle-chinese-editorial",
      "roles": [
        "media"
      ],
      "source_ids": [
        "dw-chinese"
      ]
    }
  ],
  "evidence_refs": [
    {
      "independence_group": "deutsche-welle-chinese-editorial",
      "item_id": "item-33daff961c5bfcf91bee79b6",
      "published_at": "2026-08-11T10:27:00Z",
      "role": "media",
      "source_id": "dw-chinese",
      "source_name": "Deutsche Welle",
      "title": "中国长征七号甲火箭发射失利 中星4B卫星未能入轨",
      "url": "https://www.dw.com/zh/中国长征七号甲火箭发射失利-中星4b卫星未能入轨/a-78319016?maca=chi-rss-chi-all-1127-rdf",
      "version_id": "itemv-c884728c25d8d6d4947acc8b"
    }
  ],
  "evidence_strength": "single-source",
  "headline": "中国长征七号甲火箭发射失利 中星4B卫星未能入轨",
  "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-5575e944b9235547651fd8cf"
  },
  "published_at": "2026-08-11T10:27:00Z",
  "reported_facts": [
    {
      "attribution": "Deutsche Welle",
      "evidence_item_id": "item-33daff961c5bfcf91bee79b6",
      "published_at": "2026-08-11T10:27:00Z",
      "statement": "Deutsche Welle published “中国长征七号甲火箭发射失利 中星4B卫星未能入轨”."
    }
  ],
  "topics": [
    "economy",
    "politics",
    "rights"
  ],
  "updated_at": "2026-08-11T10:27:00Z",
  "url": "https://palimpsest.info/news/wire/event-29658fcac24834365b0f2582/",
  "version_id": "eventv-5575e944b9235547651fd8cf"
}