{
  "bsebench_status": "raw_mirror_pending_validation",
  "dataset_title": "Closed-loop optimization of extreme fast charging for batteries",
  "target_repo": "bsebench-org/tri-attia-fast-charge-2020-raw",
  "source": "TRI Energy & Materials Data / data.matr.io",
  "source_url": "https://data.matr.io/",
  "project_url": "https://data.matr.io/1/projects/5d80e633f405260001c0b60a",
  "source_api_base": "https://data.matr.io/1/api/v1",
  "source_project_id": "5d80e633f405260001c0b60a",
  "doi": "10.1038/s41586-020-1994-5",
  "doi_url": "https://doi.org/10.1038/s41586-020-1994-5",
  "license": {
    "name": "CC BY 4.0",
    "url": "https://creativecommons.org/licenses/by/4.0/",
    "spdx": "CC-BY-4.0"
  },
  "institution_source_credibility": [
    "Stanford University",
    "MIT",
    "Toyota Research Institute"
  ],
  "download_date": "2026-05-08",
  "download_method": "wget from official data.matr.io file download endpoints",
  "official_download_url_template": "https://data.matr.io/1/api/v1/file/{file_id}/download",
  "transformations": [
    "Organized downloaded files into source_files/<kind>/<batch> directories",
    "Disambiguated duplicate local filenames by appending official file IDs"
  ],
  "source_file_count": 718,
  "source_total_bytes_actual": 22110649139,
  "source_total_bytes_api_reported": 16788439046,
  "source_files_by_kind_actual": {
    "struct": {
      "count": 5,
      "bytes": 3975095856
    },
    "json_struct_zip": {
      "count": 5,
      "bytes": 6855320161
    },
    "data_csv": {
      "count": 236,
      "bytes": 11275069907
    },
    "metadata": {
      "count": 236,
      "bytes": 124514
    },
    "schedule": {
      "count": 236,
      "bytes": 5038701
    }
  },
  "api_size_mismatch_count": 241,
  "verification": {
    "source_catalog_license_verified": true,
    "source_project_doi_verified": true,
    "nature_data_availability_verified": true,
    "license_verified_before_payload_upload": true,
    "payload_downloaded_only_from_official_source": true
  },
  "residual_risks": [
    "Source API size metadata differs from redirected asset byte counts for 241 files; actual downloaded sizes and SHA-256 checksums are recorded.",
    "Raw mirror is pending independent BSEBench validation; no benchmark conclusions are asserted."
  ]
}