{ "schema": "FACTCASCADE_PUBLIC_ROUTER_VALIDATION_V1", "original_checkpoint_bytes": 48351, "original_checkpoint_source_durable_equal": true, "parameter_structure_exact": true, "feature_order_exact": true, "features": 31, "trees": 100, "synthetic_prediction_rows": 3997, "learned_split_boundaries_exercised": 2973, "prediction_exact": true, "rank_fusion_exact": true, "synthetic_routes_exact": true, "NaN_positive_negative_infinity_imputation_checked": true, "new_fits": 0, "verifier_inference": 0, "real_dataset_gold_reads": 0, "new_benchmark_or_runtime": 0, "cryptographic_hashes": 0, "scope": "Checkpoint serialization and synthetic CPU prediction parity only; not a fresh generalization study." }