{
  "schema_version": "1.0",
  "card_id": "seed-flashcrash-003",
  "slug": "what-was-the-actual-cause-of-the-2010-flash-crash-seed003-v1",
  "version": 1,
  "supersedes_card_id": null,
  "question": "What was the actual cause of the 2010 flash crash?",
  "question_hash": "sha256-v1:fixture-flashcrash",
  "normalization_version": "1",
  "created_at": "2026-08-01T12:20:00Z",
  "domain": "history",
  "consensus": {
    "agreement_count": 2,
    "valid_response_count": 3,
    "confidence": "low",
    "resolved_answer": "Official reports emphasize a large sell order interacting with high-frequency liquidity withdrawal; alternative accounts stress fragile market structure more than a single culprit.",
    "crux": "Whether a single order is the primary cause or a trigger inside a brittle microstructure.",
    "limitations": "Historical market microstructure remains contested; model synthesis is not an official finding."
  },
  "responses": [
    {
      "slot": 1,
      "provider": "openai",
      "model": "fixture-openai",
      "status": "succeeded",
      "verdict": "it_depends",
      "confidence": 0.6,
      "key_claims": [
        "CFTC/SEC joint report highlighted a large E-mini sell program."
      ],
      "reasoning": "The joint report centers a fundamental seller interacting with HFT dynamics.",
      "sources": [
        {
          "title": "Example joint report summary",
          "url": "https://example.com/history/flash-crash-report",
          "retrieved_at": "2026-08-01T12:20:00Z"
        }
      ],
      "is_dissent": false,
      "latency_ms": 2200,
      "error_code": null
    },
    {
      "slot": 2,
      "provider": "anthropic",
      "model": "fixture-anthropic",
      "status": "succeeded",
      "verdict": "it_depends",
      "confidence": 0.58,
      "key_claims": [
        "Liquidity vanished as market makers pulled quotes during the cascade."
      ],
      "reasoning": "Microstructure fragility amplified the initial sell pressure.",
      "sources": [
        {
          "title": "Example microstructure paper",
          "url": "https://example.com/history/microstructure",
          "retrieved_at": "2026-08-01T12:20:00Z"
        }
      ],
      "is_dissent": false,
      "latency_ms": 2300,
      "error_code": null
    },
    {
      "slot": 3,
      "provider": "google",
      "model": "fixture-google",
      "status": "succeeded",
      "verdict": "unknown",
      "confidence": 0.4,
      "key_claims": [
        "Later analyses disputed attributing primary blame to one trader."
      ],
      "reasoning": "Competing narratives mean a single actual cause is not settled.",
      "sources": [
        {
          "title": "Example dissenting analysis",
          "url": "https://example.com/history/dissent",
          "retrieved_at": "2026-08-01T12:20:00Z"
        }
      ],
      "is_dissent": true,
      "latency_ms": 2100,
      "error_code": null
    }
  ],
  "divergence": {
    "verdict_split": true,
    "confidence_spread": 0.2,
    "conflicting_claims": [],
    "judge_invoked": true
  },
  "publication": {
    "visibility": "public_atlas",
    "published_at": "2026-08-01T12:25:00Z",
    "atlas_eligible": true,
    "grounded": true,
    "robots": "index,follow",
    "exclusion_reasons": [],
    "featured": true
  },
  "execution": {
    "completed_model_count": 3,
    "total_latency_ms": 2300,
    "cost_usd": 0.0035
  }
}