{
  "artifact": "s47b_aa_fixed_bridge_n8",
  "config_path": "configs/s47b_aa_fixed_bridge_n8.yaml",
  "sealed_utc": "2026-09-02T22:51:51.452942+00:00",
  "threshold": {
    "ratio_orientation": "a1/a2",
    "primary": "paired median knee ratio a1/a2 within [0.90, 1.10] and NOT significant at alpha=0.05, n=8, on the fixed bridge (assert_distinct_blocks_have_distinct_text passes)",
    "paired_ratio_must_be_significant_at_05": false,
    "aa_median_ratio_band": [
      0.9,
      1.1
    ],
    "gate_sizing_rule": "a gate below the measured MDE is not a gate; this A/A re-sizes S46c's"
  },
  "threshold_sha256": "934953b692432e4f652e14fbaded8f81c2e141beb061fd8442a8ec5921769b56",
  "config_sha256": "7c9122efea188ea444b466864a38ecdfa4fbf904acda41279cde323e31c48310",
  "config": {
    "artifact": "s47b_aa_fixed_bridge_n8",
    "sprint": "47",
    "claim": "With identical configuration on both arms, the paired knee protocol on the REAL Mooncake trace returns a median ratio indistinguishable from 1.000, and its measured paired spread s_y re-sizes every gate below it.",
    "model": "Qwen/Qwen2.5-1.5B-Instruct",
    "provider": "modal",
    "gpu": "L40S",
    "reps": 8,
    "seed": 20260903,
    "cost_cap_usd": 20.0,
    "telemetry_hz": 10,
    "warmup": 8,
    "request_timeout_s": 300,
    "drain_timeout_s": 45,
    "client_shards": 8,
    "server_args": {
      "max_model_len": 16384,
      "max_num_seqs": 256,
      "gpu_memory_utilization": 0.85,
      "num_gpu_blocks_override": 4096
    },
    "arms": [
      {
        "name": "a1",
        "server_args": {
          "enable_prefix_caching": true
        }
      },
      {
        "name": "a2",
        "server_args": {
          "enable_prefix_caching": true
        }
      }
    ],
    "slo": {
      "name": "nominal",
      "ttft_p95_ms": 2000.0,
      "tpot_p95_ms": 50.0,
      "ttft_p99_ms": 4000.0,
      "min_completion_rate": 0.99
    },
    "trace": {
      "source": "mooncake_timed_600",
      "max_requests": 600,
      "block_tokens": 64,
      "max_output_tokens": 256,
      "duration_s": 60.0,
      "calibrate_tokens": true
    },
    "sweep": {
      "lo_qps": 6.0,
      "hi_qps": 14.0,
      "coarse_points": 5,
      "refinements": 4,
      "reference_offered_qps": 100.0
    },
    "preregistered_threshold": {
      "ratio_orientation": "a1/a2",
      "primary": "paired median knee ratio a1/a2 within [0.90, 1.10] and NOT significant at alpha=0.05, n=8, on the fixed bridge (assert_distinct_blocks_have_distinct_text passes)",
      "paired_ratio_must_be_significant_at_05": false,
      "aa_median_ratio_band": [
        0.9,
        1.1
      ],
      "gate_sizing_rule": "a gate below the measured MDE is not a gate; this A/A re-sizes S46c's"
    }
  },
  "git_rev": "7f7b8c0",
  "seal_convention": "verifycore.canonical_seal_bytes (frozen)",
  "rule": "The experiment runner verifies this hash before spending anything. A changed threshold aborts the run rather than quietly redefining success."
}