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    "saved_F0_integral_vs_estimated_REAPER_epochs": {
      "scope": "Descriptive analysis of saved arrays; estimated epochs are not physical ground truth.",
      "valid_adjacent_voiced_epoch_pairs": 1797,
      "nearest_integer_phase_increment_not_one": 0,
      "sample3_fixed_event_s": [
        2.08,
        2.126
      ],
      "sample3_fixed_event_voiced_epochs": 5,
      "sample3_fixed_event_circular_R": 0.8607544269707701,
      "sample3_fixed_event_phase_increment_turns": {
        "min": 0.8842128248269887,
        "max": 1.1463483123237665
      },
      "sample3_three_nodes": [
        {
          "time_s": 2.08,
          "epochs": 7,
          "R": 0.8921791105164455,
          "beta_minus_one": 0.02355975946121558,
          "residual_rms_turns": 0.05968936736357261,
          "v1_dispersion": 0.5128838378215452,
          "v1_kappa": 0.24616805094984176,
          "v1_reason_bits": 4,
          "power_ratio": 3084.059952429647
        },
        {
          "time_s": 2.1,
          "epochs": 7,
          "R": 0.8804365021843782,
          "beta_minus_one": 0.029647476188198407,
          "residual_rms_turns": 0.05307247545456679,
          "v1_dispersion": 0.6800119828370659,
          "v1_kappa": 0.472035812355829,
          "v1_reason_bits": 4,
          "power_ratio": 1896.0837074821263
        },
        {
          "time_s": 2.12,
          "epochs": 7,
          "R": 0.9202158792465444,
          "beta_minus_one": 0.012396142661901033,
          "residual_rms_turns": 0.05985749863203153,
          "v1_dispersion": 0.7068416359316891,
          "v1_kappa": 0.9345358775848533,
          "v1_reason_bits": 4,
          "power_ratio": 5.280452778850924
        }
      ],
      "stable_power_max_min_le_2_v1_ineligible_nodes": 33,
      "among_these_single_run_at_least_3_epoch_nodes_with_R": 19,
      "among_these_nodes_with_fewer_than_3_epochs_no_R": 14,
      "R_range_of_19_nodes": [
        0.9937003379692618,
        0.9998899552456947
      ],
      "reason_bit_counts_in_19_nodes": {
        "2": 9,
        "4": 7,
        "6": 3
      },
      "interpretation": "Local phase variation was observed, but it does not isolate the cause of v1 ineligibility. High phase concentration can coexist with the original dispersion failure; overlapping supports are not independent samples.",
      "binary_provenance_limit": "The matching pyreaper module hash identifies its Python wrapper, not the compiled extension. Compiled binary identity was not verified."
    }
  }
}