{
  "software": "NetPhysics crystal tools",
  "version": "0.9.0",
  "date": "2026-10-21",
  "checkGroups": 16,
  "checks": [
    {
      "name": "Uniform conductivity and linear potential",
      "passed": true
    },
    {
      "name": "Series layers match analytic resistance",
      "passed": true
    },
    {
      "name": "Parallel layers match analytic conductance",
      "passed": true
    },
    {
      "name": "Heterogeneous current and energy conservation; potential bounds",
      "passed": true
    },
    {
      "name": "Conductance increases with local conductivity",
      "passed": true
    },
    {
      "name": "Invalid conductivity and geometry rejected",
      "passed": true
    },
    {
      "name": "Known rectangular map: area, width, span and orientation",
      "passed": true
    },
    {
      "name": "Edge-truncated transect widths excluded",
      "passed": true
    },
    {
      "name": "Diagonal adjacency is not four-neighbor connectivity",
      "passed": true
    },
    {
      "name": "Ragged, blank, formula and nonfinite map cells rejected",
      "passed": true
    },
    {
      "name": "Known prediction RMSE and paired interval",
      "passed": true
    },
    {
      "name": "Repeated observations retain equal specimen weight",
      "passed": true
    },
    {
      "name": "Training rows excluded; train/test specimen leakage rejected",
      "passed": true
    },
    {
      "name": "Small sample and zero reference handled explicitly",
      "passed": true
    },
    {
      "name": "Unfavorable candidate and deterministic resampling",
      "passed": true
    },
    {
      "name": "Malformed prediction input and numerical overflow rejected",
      "passed": true
    }
  ],
  "gridSensitivity": [
    {
      "n": 32,
      "conductance": 0.4921164944499663,
      "bandFraction": 0.1806640625,
      "residual": 9.976296368691305e-10
    },
    {
      "n": 64,
      "conductance": 0.47764111341126037,
      "bandFraction": 0.18115234375,
      "residual": 9.49233449432181e-10
    },
    {
      "n": 96,
      "conductance": 0.47572791460992825,
      "bandFraction": 0.1812065972222222,
      "residual": 9.84636738043152e-10
    },
    {
      "n": 128,
      "conductance": 0.47471755979528996,
      "bandFraction": 0.18109130859375,
      "residual": 9.681276051314887e-10
    }
  ],
  "interpretation": "Solver checks verify numerical implementation. Grid sensitivity remains; these checks do not validate a material model or superconductivity prediction."
}