{
  "mode": "real loopback HTTP with synthetic user identities on fixed Rice validation rows",
  "allocation_basis_points": 2000,
  "hash_salt": "rice-canary-fixture-v1",
  "cohorts": {
    "control": {
      "requests": 471,
      "users": 24,
      "correct": 437,
      "live_counterfactual_correct": 437,
      "candidate_counterfactual_correct": 434,
      "accuracy": 0.9278131634819533
    },
    "canary": {
      "requests": 119,
      "users": 6,
      "correct": 109,
      "live_counterfactual_correct": 110,
      "candidate_counterfactual_correct": 109,
      "accuracy": 0.9159663865546218
    }
  },
  "repeated_user_sticky": true,
  "invalid_request_status": 422,
  "requests": 590,
  "candidate_kind": "recorded baseline bias +1.0 parameter fixture; no new training",
  "limit": "Observed cohort rates are not a causal improvement estimate or a production experiment."
}