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{
  "sample_id": 201,
  "geometry_type": "sphere",
  "geometry_parameters": {
    "type": "sphere",
    "radius": 0.40160029314446366,
    "segment_angle": 54.69511238571576
  },
  "rq_target": 0.0010863333543341383,
  "rq_actual": 0.0010863333543341383,
  "ra_actual": 0.0008633960860788732,
  "severity": "high_corrosion",
  "is_anisotropic": false,
  "psd_method": "exponential",
  "manufacturing_process": "extreme_pitting_coalescence",
  "method": "hybrid",
  "grid_resolution": [
    272,
    194
  ],
  "physical_dimensions": [
    0.18863729368611915,
    0.10512028853054413
  ],
  "curvature_statistics": {
    "mean_slope": 0.0006253026081297608,
    "max_slope": 0.0011530412455945105,
    "height_range": 0.1695045429929562,
    "mean_height": 0.058373103980590514,
    "std_height": 0.05129325402553596
  },
  "generation_timestamp": "2025-11-08T02:48:18.449200",
  "correlation_length": 0.01145349174943748,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 7,
    "perlin_persistence": 0.8235326570386653,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.3222251422823628,
    "fractal_modes": 66
  }
}