{
  "declared_links": {
    "economic_signal_ids": [],
    "relation": "topic-surface-only",
    "scan_signal_ids": []
  },
  "dek": "中新社济南9月14日电 (记者 王梦瑶)2026年国家网络安全宣传周开幕式于9月14日在山东济南举行。当天发布的《青少年发展蓝皮书：全国未成年人互联网使用情况调查报告》显示，中国未成年网民规模已达1.98亿，互联网普及率高达98.3%。",
  "desk": "rights",
  "event_id": "event-51a66fb8052b55e972b38385",
  "evidence_groups": [
    {
      "group_id": "china-news-service-state-media",
      "roles": [
        "media"
      ],
      "source_ids": [
        "china-news-service-politics"
      ]
    }
  ],
  "evidence_refs": [
    {
      "independence_group": "china-news-service-state-media",
      "item_id": "item-4459a27f54b622d5a5db7125",
      "published_at": "2026-09-14T15:08:42Z",
      "role": "media",
      "source_id": "china-news-service-politics",
      "source_name": "China News Service",
      "title": "青少年发展蓝皮书：中国未成年网民达1.98亿",
      "url": "https://www.chinanews.com.cn/gn/2026/09-14/10696466.shtml",
      "version_id": "itemv-3f333ec4df9c3d65f96dcf0a"
    }
  ],
  "evidence_strength": "single-source",
  "headline": "青少年发展蓝皮书：中国未成年网民达1.98亿",
  "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-8bbabe14608b70b6fee63250"
  },
  "published_at": "2026-09-14T15:08:42Z",
  "reported_facts": [
    {
      "attribution": "China News Service",
      "evidence_item_id": "item-4459a27f54b622d5a5db7125",
      "published_at": "2026-09-14T15:08:42Z",
      "statement": "China News Service published “青少年发展蓝皮书：中国未成年网民达1.98亿”."
    }
  ],
  "topics": [
    "connectivity",
    "government",
    "politics",
    "rights",
    "security"
  ],
  "updated_at": "2026-09-14T15:08:42Z",
  "url": "https://palimpsest.info/news/wire/event-51a66fb8052b55e972b38385/",
  "version_id": "eventv-8bbabe14608b70b6fee63250"
}