[
  {
    "kind": "other",
    "name": "NESO national Carbon Intensity API snapshot for 2023-2025",
    "source": "https://api.carbonintensity.org.uk/",
    "details": "Unchanged CC-BY-4.0 raw JSON responses, originally retrieved in October 2026. data/SOURCES.json records each URL, retrieval time, size and compressed/uncompressed SHA256 digest. All raw files are bundled for offline reproduction."
  },
  {
    "kind": "software",
    "name": "Python 3.12 standard library in pinned official container",
    "source": "https://hub.docker.com/_/python",
    "details": "env/Dockerfile pins the image manifest digest. No third-party Python libraries or network access are required at runtime."
  }
]