{
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    "economic_signal_ids": [],
    "relation": "topic-surface-only",
    "scan_signal_ids": []
  },
  "dek": "中新网上海11月5日电 (记者 许婧)当城市发展由大规模增量建设转向存量提质增效，科技创新如何更好赋能城市更新，开放合作又如何为全球城市治理注入新动能？4日，“第四届科技公共外交论坛暨2026世界城市日系列活动”在上海理工大学举行，来自科技创新、城市治理、生态环境、公共外交等领域的专家学者、企业代表和师生代表齐聚一堂，围绕“科创筑城联通世界”主题，共探城市可持续发展与国际合作的新路径。",
  "desk": "politics",
  "event_id": "event-3b1a912e6b5312d84629664e",
  "evidence_groups": [
    {
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        "media"
      ],
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        "china-news-service-politics"
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      "item_id": "item-7142bc76b4c2bb547e54404f",
      "published_at": "2026-11-05T11:49:14Z",
      "role": "media",
      "source_id": "china-news-service-politics",
      "source_name": "China News Service",
      "title": "科创筑城联通世界 第四届科技公共外交论坛在沪举行",
      "url": "https://www.chinanews.com.cn/gn/2026/11-05/10726814.shtml",
      "version_id": "itemv-291d7859096ba26df8460592"
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  "headline": "科创筑城联通世界 第四届科技公共外交论坛在沪举行",
  "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-d6087481fe75e46fad4cfb1c"
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  "published_at": "2026-11-05T11:49:14Z",
  "reported_facts": [
    {
      "attribution": "China News Service",
      "evidence_item_id": "item-7142bc76b4c2bb547e54404f",
      "published_at": "2026-11-05T11:49:14Z",
      "statement": "China News Service published “科创筑城联通世界 第四届科技公共外交论坛在沪举行”."
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  "updated_at": "2026-11-05T11:49:14Z",
  "url": "https://palimpsest.info/news/wire/event-3b1a912e6b5312d84629664e/",
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}