{
  "campaign": "CSM_RH_Campaign_25",
  "date": "2026-09-06",
  "R4_model_scale": "H^2 log^2 H",
  "quantitative_split": {
    "Lambda_residual": "H log^{-A} X",
    "divisor_residual": "H X^{-c}",
    "W_Lambda": "log^A X",
    "W_divisor": "X^{c_k}"
  }
}