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{
  "sample_id": 754,
  "geometry_type": "sphere",
  "geometry_parameters": {
    "type": "sphere",
    "radius": 0.6252796280473303,
    "segment_angle": 32.07566079242718
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  "rq_target": 0.0018438173507422883,
  "rq_actual": 0.0018438173507422885,
  "ra_actual": 0.001480628361320359,
  "severity": "high_corrosion",
  "is_anisotropic": false,
  "psd_method": "exponential",
  "manufacturing_process": "extreme_pitting_coalescence",
  "method": "hybrid",
  "grid_resolution": [
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    172
  ],
  "physical_dimensions": [
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  ],
  "curvature_statistics": {
    "mean_slope": 0.00024286039315689497,
    "max_slope": 0.000472461974522706,
    "height_range": 0.09545044671517153,
    "mean_height": 0.03219258377544183,
    "std_height": 0.02864101063856449
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  "generation_timestamp": "2025-11-08T03:56:00.292004",
  "correlation_length": 0.03151225450559028,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 8,
    "perlin_persistence": 0.7660807946379684,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.40636965054828394,
    "fractal_modes": 87
  }
}