{
  "protocol": "LED_405nm_CALIBRATION_v1",
  "arkhe_chain": "847.681",
  "timestamp": "2026-04-06T18:30:04.524701",
  "target_cv": 0.1,
  "raw_metrics": {
    "mean": 0.844,
    "std": 0.0468,
    "cv": 0.0555,
    "min": 0.799,
    "max": 0.9976
  },
  "corrected_metrics": {
    "mean": 0.844,
    "std": 0.0,
    "cv": 0.0,
    "min": 0.844,
    "max": 0.844
  },
  "led_currents_mA": [
    [
      19.990821781728528,
      19.0166923088087,
      19.14903383616489,
      19.99114315888357
    ],
    [
      18.996705150496275,
      16.01778030010439,
      18.224937996171256,
      19.16275417422252
    ],
    [
      19.14635679210113,
      18.220627196187884,
      18.362612321876817,
      19.171608150931814
    ],
    [
      19.99956639352426,
      19.165977741038425,
      19.165468392217726,
      20.0
    ]
  ],
  "verdict": "APPROVED",
  "recommendation": "Uniformity acceptable. Proceed with experiments.",
  "p_crit_Mw_cm2": 12.0
}