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{
  "sample_id": 493,
  "geometry_type": "sphere",
  "geometry_parameters": {
    "type": "sphere",
    "radius": 0.6311981743924536,
    "segment_angle": 31.84072886077098
  },
  "rq_target": 0.0038374042560681814,
  "rq_actual": 0.0038374042560681814,
  "ra_actual": 0.0031499801513962572,
  "severity": "high_corrosion",
  "is_anisotropic": false,
  "psd_method": "exponential",
  "manufacturing_process": "end_of_life_corrosion",
  "method": "hybrid",
  "grid_resolution": [
    381,
    110
  ],
  "physical_dimensions": [
    0.16802268263673326,
    0.07784507494416858
  ],
  "curvature_statistics": {
    "mean_slope": 0.0002499411426054526,
    "max_slope": 0.00048640987936439395,
    "height_range": 0.09498403290431678,
    "mean_height": 0.032031701819208246,
    "std_height": 0.028502073538752636
  },
  "generation_timestamp": "2025-11-08T03:22:26.536514",
  "correlation_length": 0.0611958834203851,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 8,
    "perlin_persistence": 0.8487397820405511,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.44236511608520734,
    "fractal_modes": 92
  }
}