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{
  "sample_id": 272,
  "geometry_type": "sphere",
  "geometry_parameters": {
    "type": "sphere",
    "radius": 0.9909587540177432,
    "segment_angle": 107.44059394045638
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  "rq_actual": 0.0009652737367603166,
  "ra_actual": 0.0008170483552396565,
  "severity": "high_corrosion",
  "is_anisotropic": false,
  "psd_method": "exponential",
  "manufacturing_process": "random",
  "method": "hybrid",
  "grid_resolution": [
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    158
  ],
  "physical_dimensions": [
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  ],
  "curvature_statistics": {
    "mean_slope": 0.003807074143439231,
    "max_slope": 0.005497715980561146,
    "height_range": 1.2879657351845444,
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  "generation_timestamp": "2025-11-08T02:54:24.756206",
  "correlation_length": 0.03158283547778475,
  "hybrid_parameters": {
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    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 7,
    "perlin_persistence": 0.6770654707307596,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.44234356680174947,
    "fractal_modes": 72
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}