{
  "schema_version": "1.0",
  "card_id": "seed-control-math-004",
  "slug": "is-two-plus-two-four-seed004-v1",
  "version": 1,
  "supersedes_card_id": null,
  "question": "Is two plus two equal to four?",
  "question_hash": "sha256-v1:fixture-math",
  "normalization_version": "1",
  "created_at": "2026-08-01T12:30:00Z",
  "domain": "math",
  "consensus": {
    "agreement_count": 3,
    "valid_response_count": 3,
    "confidence": "high",
    "resolved_answer": "Yes. In standard arithmetic, two plus two equals four.",
    "crux": "",
    "limitations": "Trivial control item used to validate unanimous no-judge behavior."
  },
  "responses": [
    {
      "slot": 1,
      "provider": "openai",
      "model": "fixture-openai",
      "status": "succeeded",
      "verdict": "yes",
      "confidence": 0.99,
      "key_claims": [
        "2 + 2 = 4 in standard arithmetic."
      ],
      "reasoning": "This is a basic arithmetic identity.",
      "sources": [],
      "is_dissent": false,
      "latency_ms": 900,
      "error_code": null
    },
    {
      "slot": 2,
      "provider": "anthropic",
      "model": "fixture-anthropic",
      "status": "succeeded",
      "verdict": "yes",
      "confidence": 0.99,
      "key_claims": [
        "Two plus two equals four."
      ],
      "reasoning": "Uncontroversial under ordinary integer arithmetic.",
      "sources": [],
      "is_dissent": false,
      "latency_ms": 950,
      "error_code": null
    },
    {
      "slot": 3,
      "provider": "google",
      "model": "fixture-google",
      "status": "succeeded",
      "verdict": "yes",
      "confidence": 0.98,
      "key_claims": [
        "The sum of two and two is four."
      ],
      "reasoning": "Standard base-10 arithmetic yields four.",
      "sources": [],
      "is_dissent": false,
      "latency_ms": 880,
      "error_code": null
    }
  ],
  "divergence": {
    "verdict_split": false,
    "confidence_spread": 0.01,
    "conflicting_claims": [],
    "judge_invoked": false
  },
  "publication": {
    "visibility": "public_atlas",
    "published_at": "2026-08-01T12:31:00Z",
    "atlas_eligible": false,
    "grounded": false,
    "robots": "noindex,nofollow",
    "exclusion_reasons": [
      "control_card",
      "trivial_high_confidence"
    ],
    "control": true
  },
  "execution": {
    "completed_model_count": 3,
    "total_latency_ms": 950,
    "cost_usd": 0.0008
  }
}