{
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    "relation": "topic-surface-only",
    "scan_signal_ids": []
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  "dek": "中新网鸡西9月15日电 (郭兆龙 韩雪)在向阳南山的山坡上，一处处残存的水泥工事静静卧在荒草之间，无声诉说着一段沉重的过往。15日，九一八事变纪念日之际，黑龙江出入境边防检查总站鸡东边境管理大队向阳边境派出所组织民辅警来到向阳镇联合村，在省级文保单位——侵华日军向阳半截河要塞遗址，开展“铭记历史警示，坚守戍边初心”主题党日活动。大家穿行于旧战壕之间，抚摸风化的工事构件，把爱国主义课堂搬到了历史遗迹现场。",
  "desk": "politics",
  "event_id": "event-e5fbd6f60a103d141b2781cf",
  "evidence_groups": [
    {
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        "media"
      ],
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        "china-news-service-politics"
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      "independence_group": "china-news-service-state-media",
      "item_id": "item-bfb66bd01143a9e29b7dc2bd",
      "published_at": "2026-09-15T08:55:31Z",
      "role": "media",
      "source_id": "china-news-service-politics",
      "source_name": "China News Service",
      "title": "铭记九一八！移民管理警察走进侵华日军半截河要塞遗址",
      "url": "https://www.chinanews.com.cn/gn/2026/09-15/10696905.shtml",
      "version_id": "itemv-6c2fc5f7788fb7fd66c84169"
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  "evidence_strength": "single-source",
  "headline": "铭记九一八！移民管理警察走进侵华日军半截河要塞遗址",
  "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-9ab84d043a1f1805586458a7"
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  "published_at": "2026-09-15T08:55:31Z",
  "reported_facts": [
    {
      "attribution": "China News Service",
      "evidence_item_id": "item-bfb66bd01143a9e29b7dc2bd",
      "published_at": "2026-09-15T08:55:31Z",
      "statement": "China News Service published “铭记九一八！移民管理警察走进侵华日军半截河要塞遗址”."
    }
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  "topics": [
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  "updated_at": "2026-09-15T08:55:31Z",
  "url": "https://palimpsest.info/news/wire/event-e5fbd6f60a103d141b2781cf/",
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}