{
  "schema": "brainsignal.evidence.retail_payment_fraud_ab.v1",
  "date": "2026-07-18",
  "cohort": {"attempts": 27, "labeled_fraud": 6, "legitimate": 21, "kind": "deterministic synthetic"},
  "baseline": {"fraud_recall_pct": 33.33, "flag_precision_pct": 100.0, "legitimate_friction_pct": 0.0, "simulated_fraud_value_prevented_usd": 2150},
  "titan_v2": {"fraud_recall_pct": 83.33, "flag_precision_pct": 83.33, "legitimate_friction_pct": 4.76, "simulated_fraud_value_prevented_usd": 3090},
  "delta": {"fraud_recall_percentage_points": 50.0, "additional_labeled_fraud_patterns_stopped": 3, "simulated_fraud_value_prevented_usd": 940, "legitimate_friction_percentage_points": 4.76},
  "limits": ["No production payment rails were used.", "No issuer, processor, chargeback, or wallet-provider validation was performed.", "This result does not predict future production efficacy."]
}