{
  "schema_version": 1,
  "adapter_key": "architecture-mrb-runtime",
  "validated_at": "2026-10-07T06:03:59.517788+00:00",
  "accelerator": {
    "vendor": "NVIDIA",
    "model": "NVIDIA A100-SXM4-80GB"
  },
  "command": [
    "python",
    "scripts/validate_mrb_gpu.py",
    "--data",
    "data",
    "--output",
    "runs/mrb-gpu",
    "--commit",
    "0833f622f023f1e2ff28a6c42e17ce0cf6b59957"
  ],
  "dataset": {
    "name": "MovieLens-100k",
    "revision": "86b5f7726104a107b7d585c791de9522aed3ab4ccb7098f962c9bdc808db15fd",
    "source": "https://files.grouplens.org/datasets/movielens/ml-100k.zip"
  },
  "checkpoint": {
    "model_id": "din-random-initialization",
    "revision": "seeds42-43-44"
  },
  "seeds": [
    42,
    43,
    44
  ],
  "result": "passed",
  "metrics": {
    "adapter_spawn_completed": 1,
    "cli_reproduction_completed": 1,
    "din_steps_per_seed": 3,
    "din_ndcg_at_10": 0.005345040795559757,
    "mean_pool_ndcg_at_10": 0.005345040795559757,
    "rptune_retained_items": 6,
    "rptune_gradient_norm": 1.9563392400741577,
    "carm_mask_checks": 2,
    "carm_gradient_norm": 1.0,
    "verified_cuda_device_resolutions": 13
  },
  "provenance": {
    "commit": "0833f622f023f1e2ff28a6c42e17ce0cf6b59957",
    "source_fingerprint": "6d18d9a2b92bc197cf7404d5cd8103e989b6fa8441ead63b99b0f44584b3435d",
    "artifact_path": "docs/gpu-validations/architecture-mrb-a100-20261007.json"
  },
  "boundary": "real CUDA training/CLI/spawn and moved-kernel regression, not a paper-scale capability comparison"
}