{
  "selection_set": "189 validation prompts; locked benchmark excluded",
  "screening_set": "first 50 frozen validation prompts; top 3 eligible by EER then WER",
  "metric_order": [
    "english_eer",
    "cs_wer"
  ],
  "arabic_cer_guardrail": "overall validation Arabic CER <= 1.05 * E0 validation",
  "baseline_ar_cer": 0.36352085017904584,
  "candidates": [
    {
      "checkpoint_sha256": "377ae2f8a9cfc949544e8eddd743fd3ddebce872bea6b10a14170d6ebd3a49b4",
      "english_eer": 0.37376237623762376,
      "cs_wer": 0.45872556118754526,
      "ar_cer": 0.3728774402217858,
      "candidate_index": 0.0
    },
    {
      "checkpoint_sha256": "558e2ab53e1b5450bcd1a1c30683a1b3e6be1234b7e198b74209f362693eaf92",
      "english_eer": 0.36386138613861385,
      "cs_wer": 0.4547429398986242,
      "ar_cer": 0.37229987293519695,
      "candidate_index": 1.0
    },
    {
      "checkpoint_sha256": "c3eac52f7456d78367d4bec8209ab5c7cd2876226c0a4dc6a4ffdc25993c08e4",
      "english_eer": 0.3712871287128713,
      "cs_wer": 0.4543808834178132,
      "ar_cer": 0.3772669515998614,
      "candidate_index": 2.0
    }
  ],
  "selected_checkpoint_sha256": "558e2ab53e1b5450bcd1a1c30683a1b3e6be1234b7e198b74209f362693eaf92"
}