{
  "declared_links": {
    "economic_signal_ids": [
      "believability",
      "china-econ",
      "cny-fix-gap",
      "data-darkness",
      "stock-connect"
    ],
    "relation": "topic-surface-only",
    "scan_signal_ids": []
  },
  "dek": "The sell-off for tech stocks on Wall Street worsened on Friday on fears that the frenzy around AI has sent prices too high. The S&P 500 dropped 140.32 points, or 1.8 percent, to 7,580.07, for its worst day since June. The Nasdaq composite fell 747.72 points, or 2.9 percent, to 25,437.00, and the Dow Jones Industrial Av",
  "desk": "technology",
  "event_id": "event-7e436f21ac1a920f7f6fd582",
  "evidence_groups": [
    {
      "group_id": "rthk-editorial",
      "roles": [
        "media"
      ],
      "source_ids": [
        "rthk-finance"
      ]
    }
  ],
  "evidence_refs": [
    {
      "independence_group": "rthk-editorial",
      "item_id": "item-015e3bb9ae76059321236960",
      "published_at": "2026-10-31T00:59:12Z",
      "role": "media",
      "source_id": "rthk-finance",
      "source_name": "Radio Television Hong Kong",
      "title": "US markets hit by big tech sell-off",
      "url": "https://news.rthk.hk/rthk/en/component/k2/1876032-20261031.htm",
      "version_id": "itemv-d081858e3b12cde5f1b247c4"
    }
  ],
  "evidence_strength": "single-source",
  "headline": "US markets hit by big tech sell-off",
  "lead": false,
  "lead_reason": "All contributing source receipts are stale; the attributed dossier is retained but cannot 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-b68c98fcd8088af8408cf3bc"
  },
  "published_at": "2026-10-31T00:59:12Z",
  "reported_facts": [
    {
      "attribution": "Radio Television Hong Kong",
      "evidence_item_id": "item-015e3bb9ae76059321236960",
      "published_at": "2026-10-31T00:59:12Z",
      "statement": "Radio Television Hong Kong published “US markets hit by big tech sell-off”."
    }
  ],
  "topics": [
    "economy",
    "technology"
  ],
  "updated_at": "2026-10-31T00:59:12Z",
  "url": "https://palimpsest.info/news/wire/event-7e436f21ac1a920f7f6fd582/",
  "version_id": "eventv-b68c98fcd8088af8408cf3bc"
}