## The Streams canonical block object The canonical Stacks block at a height. | Field | Type | Description | | --- | --- | --- | | `block_height` | integer | Stacks block height. | | `block_hash` | string | Stacks block hash. | | `burn_block_height` | integer | Bitcoin block it anchors to. | | `burn_block_hash` | string · nullable | That Bitcoin block's hash. | | `is_canonical` | boolean | Always `true`. | ```json { "block_height": 9048876, "block_hash": "0xba0676b375e8d5fc1495a02847cc3cc32b5f7c2113a5e73999d94ee8d75ebde4", "burn_block_height": 968284, "burn_block_hash": "0x00000000000000000001b1cadea50180db28922325872c9f16ca19edda3f8bae", "is_canonical": true } ```