seal
pressing 4,812,004 receipts to chain …
✓ sealed
4,812,004 receipts sealed seal a file

check a receipt.

Paste a hash and see the whole record — in under a second.

Verification is public and accountless. Paste the sha-256 hash of any file, and seal returns the receipt it matched, the signer, the anchor, and whether the bytes are untouched.

inputsha-256 hash
latency0.8s
outputreceipt + status
accountnone needed

why it's instant

The ledger stores compact receipts, not your files. A lookup is a single read against a public index, so verification is as fast as a DNS query — and it works forever.