{
  "additionalProperties": false,
  "properties": {
    "bytes": {
      "minimum": 0,
      "title": "Bytes",
      "type": "integer"
    },
    "media_type": {
      "enum": [
        "application/json",
        "application/x-ndjson",
        "application/x-npy",
        "application/x-npz",
        "text/markdown"
      ],
      "title": "Media Type",
      "type": "string"
    },
    "name": {
      "pattern": "^[a-zA-Z0-9][a-zA-Z0-9_.-]{0,99}$",
      "title": "Name",
      "type": "string"
    },
    "sha256": {
      "pattern": "^[a-f0-9]{64}$",
      "title": "Sha256",
      "type": "string"
    }
  },
  "required": [
    "sha256",
    "bytes",
    "name",
    "media_type"
  ],
  "title": "BlobReference",
  "type": "object"
}