{
  "schema_version": "medmlx.run.v1",
  "model": "nv-reason-ct",
  "configuration": "NV-Reason-CT 386b93e0, FP32, chest structured report, greedy, max_new_tokens 512, thinking off",
  "date": "2026-10-08",
  "package": {
    "name": "MLX-Reason-CT",
    "path": "<repositories>/MLX-Reason-CT",
    "git_revision": "eb2c10baf688b32eee082dbb8973e88b4555db7a",
    "branch": "main",
    "dirty": false,
    "remote": "https://github.com/MedMLX/MLX-Reason-CT.git"
  },
  "environment": {
    "machine": "MacBook Pro (2021), Apple M1 Max, 10-core CPU, 24-core GPU, 64 GB",
    "macos": "27.0",
    "python": "3.12.15",
    "mlx_version": "0.32.3",
    "device": "gpu"
  },
  "command": {
    "entry_point": "mlx_reason_ct.medmlx:run",
    "kwargs": {
      "image_path": "<paper-repo>/work/runs/inputs/luna-case.nii.gz",
      "weights_path": "<paper-repo>/work/runs/weights/nv-reason-ct",
      "output_dir": "<paper-repo>/work/runs/nv-reason-ct/out",
      "anatomy_region": "chest",
      "overwrite": true
    },
    "invocation": "cd <repositories>/MLX-Reason-CT && .venv/bin/python <paper-repo>/work/runs/_harness/run_one.py mlx_reason_ct.medmlx <kwargs.json> <run_result.json>",
    "process": "fresh Python process per model"
  },
  "checkpoint": {
    "path": "<paper-repo>/work/runs/weights/nv-reason-ct",
    "manifest_sha256": "42495083b60360358b1599687d3ace2f199ac164efe3efe3f884389c793e1b2b",
    "source_path": "<repositories>/radnn/checkpoints/nv-reason-ct/386b93e034983f6c1fc841a43833a1b6a0cd9c13",
    "source_sha256": "655c15e59dfa1957f7d5f475b1702d689fb7107160f21256028391bb5f6e6ba5",
    "registry_sha256_match": true,
    "conversion": "mlx-reason-ct convert --source-dir <pinned snapshot> --output-dir work/runs/weights/nv-reason-ct (lossless BF16->FP32); the pre-existing radnn conversion was rejected by the package (engine radnn.nv_reason_ct_mlx.v1 differs from the pinned nv_reason_ct_mlx.fp32.v1)"
  },
  "inputs": [
    {
      "role": "image",
      "path": "<paper-repo>/work/runs/inputs/luna-case.nii.gz",
      "sha256": "5a7c3a4e681dcba5585bb49e2f355cbc08311b2944614003966409f9b6a71dfe",
      "dataset": "LUNA16 subset0",
      "case_id": "1.3.6.1.4.1.14519.5.2.1.6279.6001.105756658031515062000744821260",
      "derivation": "MHD to NIfTI format conversion; HU and geometry preserved",
      "annotations": "no accepted LUNA16 nodule annotation"
    }
  ],
  "outputs": {
    "report": {
      "path": "<paper-repo>/work/runs/nv-reason-ct/out/report.txt",
      "sha256": "06d5943d8465cbda9743273566eb8ac802ebf44e0621f08a83f7eb78977bc282"
    },
    "response": {
      "path": "<paper-repo>/work/runs/nv-reason-ct/out/model_response.json",
      "sha256": "8b49949cef1c73823a9d6ef73568523acace72030f387475a0571ccba07b3da9"
    },
    "run": {
      "path": "<paper-repo>/work/runs/nv-reason-ct/out/run.json",
      "sha256": "a9af3ecaf7d50ee2669a10699a773bc96274cef4aa073885eb6fcf2ad6b20fb9"
    },
    "report_text": "TECHNIQUE: Non-contrast CT.\n\nFINDINGS:\nMedical devices: None present.\n\nCHEST:\nLungs and airways: Trachea and main bronchi are patent. No active infiltration or mass lesion. A few tiny nonspecific nodules.\nPleura: No pleural effusion, pleural thickening, or pneumothorax.\nMediastinum and hila: No mediastinal lymphadenopathy or mass.\nHeart and pericardium: Normal heart size. No pericardial effusion.\nGreat vessels: Normal caliber thoracic aorta and main pulmonary artery.\nEsophagus: No pathological esophageal wall thickening.\nChest wall and breast: No chest wall or breast mass.\nBones: No lytic or destructive thoracic osseous lesion or acute fracture.\n\nIMPRESSION:\n\n1. A few tiny nonspecific pulmonary nodules.\n<answer> Lung nodule </answer>"
  },
  "checks": [
    {
      "name": "report_nonempty",
      "result": "pass",
      "detail": {
        "words": 103,
        "generated_tokens": 208
      }
    },
    {
      "name": "terminated_by_eos_not_truncated",
      "result": "pass",
      "detail": {
        "terminated_by_eos": true,
        "truncated_by_max_new_tokens": false,
        "prompt_tokens": 13844
      }
    },
    {
      "name": "structured_sections_present",
      "result": "pass",
      "detail": "TECHNIQUE / FINDINGS / IMPRESSION with organ subsections"
    },
    {
      "name": "coherent_english_no_degenerate_repetition",
      "result": "pass",
      "detail": "no repeated lines"
    },
    {
      "name": "json_outputs_reopen",
      "result": "pass",
      "detail": null
    },
    {
      "name": "bundle_provenance_pinned",
      "result": "pass",
      "detail": null
    }
  ],
  "duration_s": 82.591,
  "timing_boundary": "wall clock around the single run() call: weight loading, preprocessing, MLX inference and export; interpreter start-up and package import excluded; one run, no warmup",
  "mlx_peak_gb": 22.746,
  "memory_definition": "mx.get_peak_memory() after mx.reset_peak_memory() immediately before run(); decimal GB",
  "panel": "paper/figures/runs/nv-reason-ct.png",
  "status": "success",
  "failure_cause": null,
  "notes": "Report content is not evaluated for accuracy. The case has no accepted LUNA16 nodule annotation; the report's 'a few tiny nonspecific nodules' is not verified.",
  "key_check": "208 tokens, EOS-terminated structured chest report",
  "first_attempt": "The first call used the radnn checkpoint store's older conversion and failed with AssetNotReadyError (cache provenance differs from the pinned conversion); reconverted with the package CLI and rerun."
}