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{
  "sample_id": 146,
  "geometry_type": "simple_spline",
  "geometry_parameters": {
    "type": "simple_spline",
    "n_control_points": "3",
    "max_height": 0.1
  },
  "rq_target": 0.0012867093525485178,
  "rq_actual": 0.0012867093525485178,
  "ra_actual": 0.0010359469832292088,
  "severity": "high_corrosion",
  "is_anisotropic": false,
  "psd_method": "exponential",
  "manufacturing_process": "extreme_pitting_coalescence",
  "method": "hybrid",
  "grid_resolution": [
    299,
    192
  ],
  "physical_dimensions": [
    0.16356255106236453,
    0.04501545860585785
  ],
  "curvature_statistics": {
    "mean_slope": 0.00035453870635327025,
    "max_slope": 0.0005622342276044578,
    "height_range": 0.10565253449327452,
    "mean_height": 0.010814638527528361,
    "std_height": 0.030954180607034917
  },
  "generation_timestamp": "2025-11-08T02:39:10.522430",
  "correlation_length": 0.02711083732468365,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 8,
    "perlin_persistence": 0.7106942643477113,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.47897417905403006,
    "fractal_modes": 81
  }
}