{ "_what": "Held-out score of the last PROMOTED model, measured by k-fold over the ledger at the time. The next candidate is compared against these numbers rather than against the deployed model scored on its own training data.", "decided": 1334, "correct": 1252, "false_clear": 14, "rows": 1912, "judge_code": "4369cb83d9a5", "when": "2026-10-03T08:05:48Z" }