{
  "records": [
    {
      "sweeps": 4,
      "total_variation": "1/192",
      "trace_theorem_target": "1/2048",
      "this_four_card_instance_meets_target": false,
      "source_universal_constant_verified": false
    },
    {
      "sweeps": 5,
      "total_variation": "1/768",
      "trace_theorem_target": "1/2048",
      "this_four_card_instance_meets_target": false,
      "source_universal_constant_verified": false
    },
    {
      "sweeps": 6,
      "total_variation": "1/3072",
      "trace_theorem_target": "1/2048",
      "this_four_card_instance_meets_target": true,
      "source_universal_constant_verified": false
    }
  ],
  "interpretation": "Exact four-card calibration only. Six sweeps pass this instance; no universal arbitrary-size sweep selection or source proof is verified."
}