{
  "declared_links": {
    "economic_signal_ids": [
      "believability",
      "china-econ",
      "cny-fix-gap",
      "data-darkness",
      "stock-connect"
    ],
    "relation": "topic-surface-only",
    "scan_signal_ids": []
  },
  "dek": "外卖包装虽小，却是关系消费习惯、城市治理与生态建设的大命题。作为全国首个专门针对餐饮外卖商户绿色包装使用的地方标准，由北京市市场监督管理局发布的《餐饮外卖商户绿色包装使用指南》(DB11/T 2510-2026)(以下简称《指南》)，于今日(1日)起正式实施。",
  "desk": "economy",
  "event_id": "event-e7963f9143962725141b28db",
  "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-3dd9ad5880f495bb4f9dd38b",
      "published_at": "2026-08-31T23:35:45Z",
      "role": "media",
      "source_id": "china-news-service-finance",
      "source_name": "China News Service",
      "title": "北京首个外卖包装新规今日起正式实施",
      "url": "https://www.chinanews.com.cn/cj/2026/09-01/10687597.shtml",
      "version_id": "itemv-96bab46e206173133d98dc68"
    }
  ],
  "evidence_strength": "single-source",
  "headline": "北京首个外卖包装新规今日起正式实施",
  "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-8c8f5d827e0435c0c94a380a"
  },
  "published_at": "2026-08-31T23:35:45Z",
  "reported_facts": [
    {
      "attribution": "China News Service",
      "evidence_item_id": "item-3dd9ad5880f495bb4f9dd38b",
      "published_at": "2026-08-31T23:35:45Z",
      "statement": "China News Service published “北京首个外卖包装新规今日起正式实施”."
    }
  ],
  "topics": [
    "economy",
    "technology"
  ],
  "updated_at": "2026-08-31T23:35:45Z",
  "url": "https://palimpsest.info/news/wire/event-e7963f9143962725141b28db/",
  "version_id": "eventv-8c8f5d827e0435c0c94a380a"
}