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{
  "sample_id": 19,
  "geometry_type": "sphere",
  "geometry_parameters": {
    "type": "sphere",
    "radius": 0.1952645350199968,
    "segment_angle": 90.30773979601094
  },
  "rq_target": 0.0013224003421177387,
  "rq_actual": 0.0013224003421177385,
  "ra_actual": 0.0010881138795962864,
  "severity": "high_corrosion",
  "is_anisotropic": false,
  "psd_method": "exponential",
  "manufacturing_process": "structural_degradation",
  "method": "hybrid",
  "grid_resolution": [
    311,
    140
  ],
  "physical_dimensions": [
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    0.07638305498587744
  ],
  "curvature_statistics": {
    "mean_slope": 0.0006328327073699312,
    "max_slope": 0.0009928008248098474,
    "height_range": 0.19631330998677712,
    "mean_height": 0.07146702666557912,
    "std_height": 0.060609770692341414
  },
  "generation_timestamp": "2025-11-08T02:23:28.370913",
  "correlation_length": 0.018726690264001422,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 8,
    "perlin_persistence": 0.7245327388459639,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.3775473183904523,
    "fractal_modes": 96
  }
}