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{
  "sample_id": 919,
  "geometry_type": "sphere",
  "geometry_parameters": {
    "type": "sphere",
    "radius": 0.7765787303063324,
    "segment_angle": 107.15665417931696
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  "rq_target": 0.0020373298442555032,
  "rq_actual": 0.002037329844255503,
  "ra_actual": 0.0016815604041603084,
  "severity": "high_corrosion",
  "is_anisotropic": false,
  "psd_method": "exponential",
  "manufacturing_process": "extreme_pitting_coalescence",
  "method": "hybrid",
  "grid_resolution": [
    328,
    138
  ],
  "physical_dimensions": [
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  ],
  "curvature_statistics": {
    "mean_slope": 0.003072524949107474,
    "max_slope": 0.004441513500816174,
    "height_range": 1.005658017784705,
    "mean_height": 0.38020157334657584,
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  "generation_timestamp": "2025-11-08T04:14:12.620478",
  "correlation_length": 0.009294026164759803,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 8,
    "perlin_persistence": 0.6805785552627692,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.4094809036909239,
    "fractal_modes": 94
  }
}