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{
  "sample_id": 523,
  "geometry_type": "sphere",
  "geometry_parameters": {
    "type": "sphere",
    "radius": 0.7923801756377329,
    "segment_angle": 76.1737832565896
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  "rq_target": 0.0025576482740845095,
  "rq_actual": 0.00255764827408451,
  "ra_actual": 0.0021525950704002783,
  "severity": "high_corrosion",
  "is_anisotropic": false,
  "psd_method": "exponential",
  "manufacturing_process": "structural_degradation",
  "method": "hybrid",
  "grid_resolution": [
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    106
  ],
  "physical_dimensions": [
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  ],
  "curvature_statistics": {
    "mean_slope": 0.001778029337093366,
    "max_slope": 0.0030160356562907165,
    "height_range": 0.6030189100151891,
    "mean_height": 0.21390249767224692,
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  "generation_timestamp": "2025-11-08T03:25:34.793381",
  "correlation_length": 0.018527567577202614,
  "hybrid_parameters": {
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    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 8,
    "perlin_persistence": 0.6955496854953402,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.38958820723877075,
    "fractal_modes": 74
  }
}