{
  "observed_at": "2026-10-18T12:13:19.947057+02:00",
  "specimen_serial": "XXXXXXXXXXXXXXXX",
  "firmware_candidate": {
    "recorded_at": "2026-10-18T12:09:31.215443+02:00",
    "base_commit": "74c1c8ab0ed8d86407f88905c46083f347e33565",
    "working_tree_build": true,
    "firmware_version": "74c1c8ab-dirty",
    "uf2_bytes": 123392,
    "uf2_sha256": "b0edcfbe16b35db1c20132451306d64a4eb4edd59a70b9f320fdc7ed6daacacb",
    "program_blocks": 240,
    "program_end_exclusive": "0x1000f000",
    "rp2_driver_sha256": "7bfdb2ae829d81371146511f205f1674c16428f7b9934a16152c9a6c06e86a75",
    "tracked_diff_sha256": "bac23709bafdf0a6ebabf7aecc9b24064cc1c724f412a6ae01e2ddc1d0573f7c",
    "installed": true,
    "native_format_sequence_passed": [
      16,
      24,
      16
    ],
    "software_bootsel_return_after_formats_passed": true
  },
  "upstream_fix": "https://github.com/hathach/tinyusb/commit/102c1991d0abcfba9275830c48706ac34d7734d5",
  "software_verification": {
    "ctest_cases": 20,
    "positive_cases": 19,
    "expected_failure_controls": 1,
    "successful_assertions": 316321,
    "swift_tests": 29,
    "full_gate_passed": true
  },
  "native_audio_uid": "AppleUSBAudioEngine:Layered:NeXTsound development:XXXXXXXXXXXXXXXX:1",
  "format_runs": [
    {
      "sequence": 1,
      "format_bits": 16,
      "complete": {
        "kind": "audio_run_complete",
        "bits": 16,
        "frames": 242176,
        "default_uids_unchanged": true
      },
      "statuses": [
        {
          "kind": "status",
          "persisted_generation": 3,
          "storage_available": 1,
          "streaming": 0,
          "input_peak": 0,
          "output_peak": 0,
          "underruns": 0,
          "overruns": 0,
          "max_processing_us": 904,
          "deadline_us": 1000
        },
        {
          "kind": "status",
          "persisted_generation": 3,
          "storage_available": 1,
          "streaming": 1,
          "input_peak": 0.125,
          "output_peak": 0,
          "underruns": 0,
          "overruns": 0,
          "max_processing_us": 904,
          "deadline_us": 1000
        },
        {
          "kind": "status",
          "persisted_generation": 3,
          "storage_available": 1,
          "streaming": 1,
          "input_peak": 0.125,
          "output_peak": 0,
          "underruns": 0,
          "overruns": 0,
          "max_processing_us": 904,
          "deadline_us": 1000
        },
        {
          "kind": "status",
          "persisted_generation": 3,
          "storage_available": 1,
          "streaming": 1,
          "input_peak": 0.125,
          "output_peak": 0,
          "underruns": 0,
          "overruns": 0,
          "max_processing_us": 904,
          "deadline_us": 1000
        },
        {
          "kind": "status",
          "persisted_generation": 3,
          "storage_available": 1,
          "streaming": 1,
          "input_peak": 0.125,
          "output_peak": 0,
          "underruns": 0,
          "overruns": 0,
          "max_processing_us": 904,
          "deadline_us": 1000
        },
        {
          "kind": "status",
          "persisted_generation": 3,
          "storage_available": 1,
          "streaming": 1,
          "input_peak": 0.125,
          "output_peak": 0,
          "underruns": 0,
          "overruns": 0,
          "max_processing_us": 904,
          "deadline_us": 1000
        }
      ]
    },
    {
      "sequence": 2,
      "format_bits": 24,
      "complete": {
        "kind": "audio_run_complete",
        "bits": 24,
        "frames": 242176,
        "default_uids_unchanged": true
      },
      "statuses": [
        {
          "kind": "status",
          "persisted_generation": 3,
          "storage_available": 1,
          "streaming": 0,
          "input_peak": 0,
          "output_peak": 0,
          "underruns": 1,
          "overruns": 0,
          "max_processing_us": 904,
          "deadline_us": 1000
        },
        {
          "kind": "status",
          "persisted_generation": 3,
          "storage_available": 1,
          "streaming": 1,
          "input_peak": 0.125,
          "output_peak": 0,
          "underruns": 1,
          "overruns": 0,
          "max_processing_us": 904,
          "deadline_us": 1000
        },
        {
          "kind": "status",
          "persisted_generation": 3,
          "storage_available": 1,
          "streaming": 1,
          "input_peak": 0.125,
          "output_peak": 0,
          "underruns": 1,
          "overruns": 0,
          "max_processing_us": 904,
          "deadline_us": 1000
        },
        {
          "kind": "status",
          "persisted_generation": 3,
          "storage_available": 1,
          "streaming": 1,
          "input_peak": 0.125,
          "output_peak": 0,
          "underruns": 1,
          "overruns": 0,
          "max_processing_us": 904,
          "deadline_us": 1000
        },
        {
          "kind": "status",
          "persisted_generation": 3,
          "storage_available": 1,
          "streaming": 1,
          "input_peak": 0.125,
          "output_peak": 0,
          "underruns": 1,
          "overruns": 0,
          "max_processing_us": 904,
          "deadline_us": 1000
        },
        {
          "kind": "status",
          "persisted_generation": 3,
          "storage_available": 1,
          "streaming": 1,
          "input_peak": 0.125,
          "output_peak": 0,
          "underruns": 1,
          "overruns": 0,
          "max_processing_us": 904,
          "deadline_us": 1000
        }
      ]
    },
    {
      "sequence": 3,
      "format_bits": 16,
      "complete": {
        "kind": "audio_run_complete",
        "bits": 16,
        "frames": 242176,
        "default_uids_unchanged": true
      },
      "statuses": [
        {
          "kind": "status",
          "persisted_generation": 3,
          "storage_available": 1,
          "streaming": 0,
          "input_peak": 0,
          "output_peak": 0,
          "underruns": 2,
          "overruns": 0,
          "max_processing_us": 904,
          "deadline_us": 1000
        },
        {
          "kind": "status",
          "persisted_generation": 3,
          "storage_available": 1,
          "streaming": 1,
          "input_peak": 0.125,
          "output_peak": 0,
          "underruns": 2,
          "overruns": 0,
          "max_processing_us": 904,
          "deadline_us": 1000
        },
        {
          "kind": "status",
          "persisted_generation": 3,
          "storage_available": 1,
          "streaming": 1,
          "input_peak": 0.125,
          "output_peak": 0,
          "underruns": 2,
          "overruns": 0,
          "max_processing_us": 904,
          "deadline_us": 1000
        },
        {
          "kind": "status",
          "persisted_generation": 3,
          "storage_available": 1,
          "streaming": 1,
          "input_peak": 0.125,
          "output_peak": 0,
          "underruns": 2,
          "overruns": 0,
          "max_processing_us": 904,
          "deadline_us": 1000
        },
        {
          "kind": "status",
          "persisted_generation": 3,
          "storage_available": 1,
          "streaming": 1,
          "input_peak": 0.125,
          "output_peak": 0,
          "underruns": 2,
          "overruns": 0,
          "max_processing_us": 904,
          "deadline_us": 1000
        },
        {
          "kind": "status",
          "persisted_generation": 3,
          "storage_available": 1,
          "streaming": 1,
          "input_peak": 0.125,
          "output_peak": 0,
          "underruns": 2,
          "overruns": 0,
          "max_processing_us": 904,
          "deadline_us": 1000
        }
      ]
    }
  ],
  "post_stop_reads": [
    [
      {
        "kind": "capabilities",
        "serial": "XXXXXXXXXXXXXXXX",
        "firmware": "74c1c8ab-dirty",
        "clock_hz": 150000000,
        "flash_bytes": 4194304,
        "features": 3
      },
      {
        "kind": "state",
        "generation": 3,
        "muted": 1,
        "attenuation_db": -24
      },
      {
        "kind": "status",
        "persisted_generation": 3,
        "storage_available": 1,
        "streaming": 0,
        "input_peak": 0,
        "output_peak": 0,
        "underruns": 1,
        "overruns": 0,
        "max_processing_us": 904,
        "deadline_us": 1000
      }
    ],
    [
      {
        "kind": "capabilities",
        "serial": "XXXXXXXXXXXXXXXX",
        "firmware": "74c1c8ab-dirty",
        "clock_hz": 150000000,
        "flash_bytes": 4194304,
        "features": 3
      },
      {
        "kind": "state",
        "generation": 3,
        "muted": 1,
        "attenuation_db": -24
      },
      {
        "kind": "status",
        "persisted_generation": 3,
        "storage_available": 1,
        "streaming": 0,
        "input_peak": 0,
        "output_peak": 0,
        "underruns": 2,
        "overruns": 0,
        "max_processing_us": 904,
        "deadline_us": 1000
      }
    ],
    [
      {
        "kind": "capabilities",
        "serial": "XXXXXXXXXXXXXXXX",
        "firmware": "74c1c8ab-dirty",
        "clock_hz": 150000000,
        "flash_bytes": 4194304,
        "features": 3
      },
      {
        "kind": "state",
        "generation": 3,
        "muted": 1,
        "attenuation_db": -24
      },
      {
        "kind": "status",
        "persisted_generation": 3,
        "storage_available": 1,
        "streaming": 0,
        "input_peak": 0,
        "output_peak": 0,
        "underruns": 3,
        "overruns": 0,
        "max_processing_us": 904,
        "deadline_us": 1000
      }
    ]
  ],
  "final_runtime_after_bootsel_roundtrip": [
    {
      "kind": "capabilities",
      "serial": "XXXXXXXXXXXXXXXX",
      "firmware": "74c1c8ab-dirty",
      "clock_hz": 150000000,
      "flash_bytes": 4194304,
      "features": 3
    },
    {
      "kind": "state",
      "generation": 3,
      "muted": 1,
      "attenuation_db": -24
    },
    {
      "kind": "status",
      "persisted_generation": 3,
      "storage_available": 1,
      "streaming": 0,
      "input_peak": 0,
      "output_peak": 0,
      "underruns": 0,
      "overruns": 0,
      "max_processing_us": 919,
      "deadline_us": 1000
    }
  ],
  "audio_bench_sha256": "a70cad423ca03f281c590c7b0a62f20d90fccd7d3c8f316db52110ee71428a81",
  "limits": {
    "profile_mute_remained_enabled": true,
    "electrical_or_audible_verification": false,
    "maximum_nonflat_dsp_configuration_tested": false,
    "persistence_during_audio_tested": false,
    "suspend_resume_tested": false,
    "runtime_stack_high_water_measured": false,
    "post_stop_underruns_require_lifecycle_review": true
  }
}
