{
  "framing": "Prop-02 exploratory U-cal probe on fingerprint secondary track",
  "prop02_success_claimed": false,
  "calibration": "IsotonicRegression on RF mean P(hit) using 30% stratified holdout; acquire by binary entropy of p_cal; fallback to U-raw if too few labels/classes (sklearn 1.9-safe)",
  "subsample_n": 5000,
  "subsample_hits": 558,
  "seed_labeled": 100,
  "batch": 25,
  "budget": 400,
  "n_al_seeds": 5,
  "summary": [
    {
      "arm": "random",
      "final_recall_mean": 0.1043010752688172,
      "final_recall_std": 0.005862160298851656,
      "final_recall_ci95": [
        0.09916266521090994,
        0.10943948532672446
      ],
      "aulc_mean": 0.06270161290322582,
      "aulc_std": 0.006431957400377916
    },
    {
      "arm": "U-raw",
      "final_recall_mean": 0.2913978494623656,
      "final_recall_std": 0.013326876302923445,
      "final_recall_ci95": [
        0.27971632733666696,
        0.3030793715880642
      ],
      "aulc_mean": 0.15212813620071683,
      "aulc_std": 0.010367668729987145
    },
    {
      "arm": "U-cal",
      "final_recall_mean": 0.3283154121863799,
      "final_recall_std": 0.014470701962857598,
      "final_recall_ci95": [
        0.3156312826641129,
        0.3409995417086469
      ],
      "aulc_mean": 0.1718301971326165,
      "aulc_std": 0.008125384774269091
    }
  ],
  "citation": "Materials Project; Jain et al., APL Materials 1, 011002 (2013)"
}