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{
  "arm": "precision64",
  "checkpoint_sha256": "74ffc5b93b5ab6681c173830c70694d6ae834d291dbd0688c64c2a25899e698c",
  "criterion": "Mean VAL focal-bat recall and whole-recording bat recall at lowest cut satisfying <=5% observed FPR separately on VAL reviewed-noise regions,captive-rodent contexts,and whole reviewed background recordings. VAL temporary cut selects weights only, never exported. Earliest tie, original base included as eligible fallback.",
  "arms": [
    {
      "arm": "precision64",
      "parameters": 523330,
      "selected_step": 1000,
      "validation": {
        "threshold": 1.9609376192092896,
        "focal_bat_recall": 0.6508196721311476,
        "field_bat_recall": 0.768595041322314,
        "negative": {
          "reviewed_noise_regions": {
            "n": 366,
            "false_positive": 1,
            "FPR": 0.00273224043715847
          },
          "captive_rodent_contexts": {
            "n": 150,
            "false_positive": 7,
            "FPR": 0.04666666666666667
          },
          "whole_field_backgrounds": {
            "n": 22,
            "false_positive": 1,
            "FPR": 0.045454545454545456
          }
        },
        "selection_score": 0.7097073567267308,
        "field_auroc": 0.918106686701728
      },
      "checkpoint_sha256": "74ffc5b93b5ab6681c173830c70694d6ae834d291dbd0688c64c2a25899e698c",
      "elapsed_s": 663.0729508399963,
      "test_reads": 0,
      "user_reads": 0,
      "calibration_reads": 0
    }
  ]
}