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{
  "sample_id": 253,
  "geometry_type": "simple_spline",
  "geometry_parameters": {
    "type": "simple_spline",
    "n_control_points": "5",
    "max_height": 0.1
  },
  "rq_target": 0.0011012865891088953,
  "rq_actual": 0.0011012865891088953,
  "ra_actual": 0.0008883664881191184,
  "severity": "high_corrosion",
  "is_anisotropic": false,
  "psd_method": "exponential",
  "manufacturing_process": "extreme_pitting_coalescence",
  "method": "hybrid",
  "grid_resolution": [
    254,
    137
  ],
  "physical_dimensions": [
    0.17004631213261454,
    0.06517114492394595
  ],
  "curvature_statistics": {
    "mean_slope": 0.0005730160382247249,
    "max_slope": 0.002576396317272328,
    "height_range": 0.10908275882360466,
    "mean_height": 0.00763004372940569,
    "std_height": 0.01992915998408069
  },
  "generation_timestamp": "2025-11-08T02:54:22.466781",
  "correlation_length": 0.018290273591041087,
  "hybrid_parameters": {
    "w_psd": 0.1,
    "w_perlin": 0.15,
    "w_fractal": 0.75,
    "perlin_octaves": 8,
    "perlin_persistence": 0.6774505660885424,
    "perlin_lacunarity": 2.5,
    "fractal_hurst": 0.37604201811588445,
    "fractal_modes": 98
  }
}