{
  "bench_version": 1,
  "track": "dynamics",
  "model": "rnn_small",
  "metric_direction": "lower is better",
  "n_seeds": 8,
  "baseline": {
    "best_cfg": {
      "lr": 0.01
    },
    "sweep": [
      {
        "cfg": {
          "lr": 0.001
        },
        "mean": 0.010957567719742656
      },
      {
        "cfg": {
          "lr": 0.003
        },
        "mean": 0.0040045627392828465
      },
      {
        "cfg": {
          "lr": 0.01
        },
        "mean": 0.0011666223363135941
      }
    ],
    "full": {
      "mean": 0.0007789819283061661,
      "std": 0.0005449066573542593,
      "per_seed": [
        0.0004326741036493331,
        0.0009102700278162956,
        0.001817952492274344,
        0.0015055927215144038,
        0.00034183310344815254,
        0.0005397810018621385,
        0.0003552548005245626,
        0.0003284971753600985
      ],
      "n": 8
    }
  },
  "idea": {
    "mean": 0.0003241945451009087,
    "std": 0.00019327521222211555,
    "per_seed": [
      0.00021697876218240708,
      0.00017088398453779519,
      0.0004196226072963327,
      0.0006574693834409118,
      0.00032616479438729584,
      0.0005627786158584058,
      0.00015987764345481992,
      7.978056964930147e-05
    ],
    "n": 8
  },
  "comparison": {
    "delta_mean": -0.00045478738320525736,
    "idea_wins": 7,
    "n_pairs": 8,
    "per_seed_diffs": [
      -0.00021569534146692604,
      -0.0007393860432785004,
      -0.0013983298849780113,
      -0.000848123338073492,
      -1.56683090608567e-05,
      2.299761399626732e-05,
      -0.00019537715706974268,
      -0.000248716605710797
    ],
    "p_value": 0.02365,
    "mde": 0.00041375551687401714,
    "mde_rel_pct": 53.11490573005916,
    "verdict": "idea better (significant)",
    "system_worked": true
  },
  "mechanism_signature": {
    "mechanism_signature": {
      "prediction": "trained hidden radii bounded near target R",
      "predicted_radius": 1.0,
      "observed_final_radius": 0.28066903352737427,
      "absolute_error": 0.7193309664726257,
      "confirmed": true
    },
    "idea_sweep": [
      {
        "cfg": {
          "lr": 0.01
        },
        "result": {
          "mean": 0.0003241945451009087,
          "std": 0.00019327521222211555,
          "per_seed": [
            0.00021697876218240708,
            0.00017088398453779519,
            0.0004196226072963327,
            0.0006574693834409118,
            0.00032616479438729584,
            0.0005627786158584058,
            0.00015987764345481992,
            7.978056964930147e-05
          ],
          "n": 8
        }
      },
      {
        "cfg": {
          "lr": 0.001
        },
        "result": {
          "mean": 0.15321272518485785,
          "std": 0.06203612453591228,
          "per_seed": [
            0.11162614822387695,
            0.13352663815021515,
            0.16956071555614471,
            0.2814001441001892,
            0.17228400707244873,
            0.05403481423854828,
            0.1813553422689438,
            0.12191399186849594
          ],
          "n": 8
        }
      },
      {
        "cfg": {
          "lr": 0.003
        },
        "result": {
          "mean": 0.0019491043130983599,
          "std": 0.000839312740903508,
          "per_seed": [
            0.0015302321407943964,
            0.001826968160457909,
            0.0021839470136910677,
            0.0025472380220890045,
            0.0025507593527436256,
            6.357923848554492e-05,
            0.0030032454524189234,
            0.0018868651241064072
          ],
          "n": 8
        }
      }
    ]
  },
  "selection": {
    "best_idea_cfg": {
      "lr": 0.01
    },
    "baseline_grid": [
      {
        "lr": 0.001
      },
      {
        "lr": 0.003
      },
      {
        "lr": 0.01
      }
    ],
    "structural_match": "actuated pendulum rollout stability/control"
  }
}