{
  "declared_links": {
    "economic_signal_ids": [
      "believability",
      "china-econ",
      "cny-fix-gap",
      "data-darkness",
      "stock-connect"
    ],
    "relation": "topic-surface-only",
    "scan_signal_ids": []
  },
  "dek": "中新网广州11月4日电 (记者 王坚)2026中国创交会、中国海交会第四届创新创业大赛广州城市赛2日在广州开赛，赛程持续4天。赛场上，近300个科创项目集中亮相，覆盖人工智能、智能装备与机器人、生物医药、新材料、新能源、低空经济、商业航天等方向。",
  "desk": "economy",
  "event_id": "event-a7663d1a2c7ab261f411ab15",
  "evidence_groups": [
    {
      "group_id": "china-news-service-state-media",
      "roles": [
        "media"
      ],
      "source_ids": [
        "china-news-service-finance"
      ]
    }
  ],
  "evidence_refs": [
    {
      "independence_group": "china-news-service-state-media",
      "item_id": "item-5aecedef5afc83e28a3a55b0",
      "published_at": "2026-11-04T02:24:08Z",
      "role": "media",
      "source_id": "china-news-service-finance",
      "source_name": "China News Service",
      "title": "AI、商业航天等近300个科创项目广州同台PK",
      "url": "https://www.chinanews.com.cn/cj/2026/11-04/10725807.shtml",
      "version_id": "itemv-a4d3f9f48f9414a72b170120"
    }
  ],
  "evidence_strength": "single-source",
  "headline": "AI、商业航天等近300个科创项目广州同台PK",
  "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-c9d3af047fb26a3ee3cae7ef"
  },
  "published_at": "2026-11-04T02:24:08Z",
  "reported_facts": [
    {
      "attribution": "China News Service",
      "evidence_item_id": "item-5aecedef5afc83e28a3a55b0",
      "published_at": "2026-11-04T02:24:08Z",
      "statement": "China News Service published “AI、商业航天等近300个科创项目广州同台PK”."
    }
  ],
  "topics": [
    "economy",
    "rights",
    "technology"
  ],
  "updated_at": "2026-11-04T02:24:08Z",
  "url": "https://palimpsest.info/news/wire/event-a7663d1a2c7ab261f411ab15/",
  "version_id": "eventv-c9d3af047fb26a3ee3cae7ef"
}