celestia · Schema

Celestia Blob

A blob is an opaque payload published to the Celestia data availability layer under a specific namespace. Blobs are the canonical unit for rollups and applications using Celestia for DA.

Properties

Name	Type	Description
namespace	string	Base64-encoded 29-byte namespace identifier. First byte is the namespace version; remaining 28 bytes are the namespace ID.
data	string	Base64-encoded blob payload.
share_version	integer	Blob share version. 0 is the original version; 1 adds a signer field for accountable signature.
commitment	string	Subtree-root commitment to the blob (base64 or hex).
index	integer	Share index where the blob starts in the extended data square.
signer	string	Bech32 celestia1... address of the signer for share_version 1 blobs.

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/celestia/main/json-schema/celestia-blob-schema.json",
  "title": "Celestia Blob",
  "description": "A blob is an opaque payload published to the Celestia data availability layer under a specific namespace. Blobs are the canonical unit for rollups and applications using Celestia for DA.",
  "type": "object",
  "required": ["namespace", "data"],
  "properties": {
    "namespace": {
      "type": "string",
      "description": "Base64-encoded 29-byte namespace identifier. First byte is the namespace version; remaining 28 bytes are the namespace ID.",
      "minLength": 1
    },
    "data": {
      "type": "string",
      "description": "Base64-encoded blob payload."
    },
    "share_version": {
      "type": "integer",
      "description": "Blob share version. 0 is the original version; 1 adds a signer field for accountable signature.",
      "enum": [0, 1]
    },
    "commitment": {
      "type": "string",
      "description": "Subtree-root commitment to the blob (base64 or hex)."
    },
    "index": {
      "type": "integer",
      "description": "Share index where the blob starts in the extended data square."
    },
    "signer": {
      "type": "string",
      "description": "Bech32 celestia1... address of the signer for share_version 1 blobs."
    }
  }
}