The Block Space Explorer

See the data inside every block.

Browse recent Bitcoin blocks, open the mosaic of each block's space, preview the inscriptions it carries, and verify your own record against the chain — all in the browser.

Live on-chain block data

Recent blocks

12 blocks

Block

#966,440

0000000000…b43fc4c1a2

Mined by

Foundry USA

Timestamp

2026-09-11 02:50:44 UTC

Transactions

5,890

Size

1.46 MB

Inscriptions

Median fee

0.4119999999999999 sat/vB

Space inscribed

38%

The space inside this block

inscriptionwitness dataempty

Hover a bright cell to inspect an inscription. Dim cells are inscribed witness data; empty cells are unused space.

Inscriptions in this block4 shown

Timestamped to Bitcoin. This record cannot be edited, only superseded.

Textuncommon

#6,765,3515.24 KB

sat1,968,030,935,748

hashbea4ac…9dc1ef

idf1bcd7…0d7i0

{
  "standard": "model-attestation/v1",
  "model": "mixtral-8x22b",
  "weights_sha256": "1690bc600563226cad1c651be1d92b9d100822b95377124036a274bb21e21785",
  "dataset_fingerprint": "8b186ead26fcc018794a29f157bf00ac",
  "anchored_by": "agent://7dd5e79e",
  "n": 1
}

JSON

#6,765,3522.92 KB

sat1,968,014,144,060

hashc4b0cf…71cd44

idfb6530…deci0

Image

#6,765,3533.03 KB

sat1,968,014,647,453

hash1240d7…1657f2

id5b4ada…7b2i0

// recursive inscription module
import bytes from '/content/7d3bebe46e06i0';
export const render = (sat) =>
  decode(bytes).withProvenance(sat);

Code

#6,765,3542.64 KB

sat1,968,004,253,093

hashfc20d6…22cd37

ide10557…e37i0

Verify a record

Demo

Paste text or drop a file. The SHA-256 hash is computed entirely in your browser — nothing is uploaded — then shown as it would appear in a proof-of-inscription anchored to Bitcoin.

Demonstration only — no transaction is broadcast and nothing is written on-chain. It shows the shape of a real proof-of-inscription.