{
  "declared_links": {
    "economic_signal_ids": [
      "believability",
      "china-econ",
      "cny-fix-gap",
      "data-darkness",
      "stock-connect"
    ],
    "relation": "topic-surface-only",
    "scan_signal_ids": []
  },
  "dek": "中新网大连10月13日电 (记者 杨毅)由大连商品交易所(简称大商所)、马来西亚交易所共同主办的第19届国际油脂油料大会暨农畜产业(衍生品)大会13日至14日在大连召开。作为大会配套的产业活动，衍生品与黑色产业论坛于13日率先拉开帷幕。记者从会上获悉，今年1至9月，大商所7个化工品种期货期权日均成交量达641.6万手、日均持仓量达533.6万手，同比分别增长112.4%和33.3%。",
  "desk": "rights",
  "event_id": "event-cdefa08bee01b7d0402c7121",
  "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-4fc832948f3f07c517ab0249",
      "published_at": "2026-10-13T08:32:21Z",
      "role": "media",
      "source_id": "china-news-service-finance",
      "source_name": "China News Service",
      "title": "大商所：7个化工品种期货期权日均成交量达641.6万手 增长112.4%",
      "url": "https://www.chinanews.com.cn/cj/2026/10-13/10713789.shtml",
      "version_id": "itemv-1d92f0ee9e31f557008aa4c2"
    }
  ],
  "evidence_strength": "single-source",
  "headline": "大商所：7个化工品种期货期权日均成交量达641.6万手 增长112.4%",
  "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-0b088e47091496e5a7fbd7ca"
  },
  "published_at": "2026-10-13T08:32:21Z",
  "reported_facts": [
    {
      "attribution": "China News Service",
      "evidence_item_id": "item-4fc832948f3f07c517ab0249",
      "published_at": "2026-10-13T08:32:21Z",
      "statement": "China News Service published “大商所：7个化工品种期货期权日均成交量达641.6万手 增长112.4%”."
    }
  ],
  "topics": [
    "economy",
    "rights",
    "technology"
  ],
  "updated_at": "2026-10-13T08:32:21Z",
  "url": "https://palimpsest.info/news/wire/event-cdefa08bee01b7d0402c7121/",
  "version_id": "eventv-0b088e47091496e5a7fbd7ca"
}