science.alt.dataset.storageBlobs

{
  "id": "science.alt.dataset.storageBlobs",
  "defs": {
    "main": {
      "type": "object",
      "required": [
        "blobs"
      ],
      "properties": {
        "blobs": {
          "type": "array",
          "items": {
            "ref": "#blobEntry",
            "type": "ref"
          },
          "minLength": 1,
          "description": "Array of blob entries for WebDataset tar files"
        }
      },
      "description": "Storage via ATProto PDS blobs for WebDataset tar archives. Used in science.alt.dataset.entry storage union for maximum decentralization."
    },
    "blobEntry": {
      "type": "object",
      "required": [
        "blob"
      ],
      "properties": {
        "blob": {
          "type": "blob",
          "accept": [
            "application/x-tar"
          ],
          "maxSize": 52428800,
          "description": "Blob reference to a WebDataset tar archive"
        },
        "checksum": {
          "ref": "science.alt.dataset.entry#shardChecksum",
          "type": "ref",
          "description": "Content hash for integrity verification (optional since PDS blobs have built-in CID integrity)"
        }
      },
      "description": "A single PDS blob shard with optional integrity checksum"
    }
  },
  "$type": "com.atproto.lexicon.schema",
  "lexicon": 1
}