{
  "gate_passed": true,
  "phase2_historical_bpb": 1.4102684308437439,
  "phase3_historical_bpb": 1.0653798981287268,
  "required_max_historical_bpb": 1.3397550093015567,
  "historical_bpb_improvement_rate_over_phase2": 0.24455480416,
  "phase3_modern_control_bpb": 1.8756087153420742,
  "historical_lower_than_modern": true,
  "automatic_rubric_pass_rate": 0.9333333333333333,
  "manual_rubric_pass_rate": 0.9,
  "manual_review": {
    "reviewed_generations": 5,
    "checks": 10,
    "passed_checks": 9,
    "empty_outputs": 0,
    "mojibake_outputs": 0,
    "unbounded_repetition_outputs": 0,
    "historical_style_outputs": 5,
    "severely_broken_outputs": 0,
    "noted_issue": "The 人工知能 probe is flagged no_mojibake=false by the automatic check, but the flagged characters are period old-kana renderings (存すへき=存すべき, 得へし), not true mojibake; the 文明開化 probe has elevated but bounded repetition (0.16)."
  },
  "training": {
    "iterations": 11445,
    "processed_tokens": 3000238080,
    "epochs_over_train": 2.72,
    "best_validation_loss": 4.149158000946045,
    "elapsed_hours": 18.29,
    "estimated_cost_usd": 18.11,
    "peak_vram_bytes": 44345157632,
    "gpu_total_bytes": 47803596800
  },
  "final_checkpoint_sha256": "1f2459a1b5b5c75c6e7c07251b877f6c804500753bb0121b13351933b8a07b03",
  "tokenizer_sha256": "2c014c2f018dd70ab48d66b59e20c9afc12c5a0dd7b5bbdd48d7b849c4bf1d42",
  "vocab_size": 16384,
  "parameter_count": 345035776,
  "review_date": "2026-07-17",
  "notes": [
    "Phase-3 historical test BPB 1.0654 beats the phase-2 gate (<= 1.3398, i.e. 5% better than phase-2's 1.4103) by a 24.5% improvement and is well below the modern control (1.8756).",
    "Single-pass full run cleared the gate; no continued-training round was needed (unlike phase-2's 1,600-step shortfall)."
  ]
}