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{
  "sample_id": 498,
  "geometry_type": "sphere",
  "geometry_parameters": {
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    "radius": 0.27228364747419564,
    "segment_angle": 95.13596277615828
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  "rq_actual": 0.0016943752684915976,
  "ra_actual": 0.0013540860584939538,
  "severity": "high_corrosion",
  "is_anisotropic": true,
  "psd_method": "exponential",
  "manufacturing_process": "catastrophic_leading_edge",
  "method": "hybrid",
  "grid_resolution": [
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  ],
  "physical_dimensions": [
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  ],
  "curvature_statistics": {
    "mean_slope": 0.0008350959859408469,
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    "height_range": 0.29665833345241754,
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  "generation_timestamp": "2025-11-08T03:22:27.083902",
  "correlation_length_x": 0.025992244440797944,
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  "orientation": 30.0,
  "anisotropy_ratio": 2.869852015901578,
  "hybrid_parameters": {
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    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 7,
    "perlin_persistence": 0.7028859340143321,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.4241479641683996,
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}