Capture
Preserve the webpage together with the context needed to understand what was captured.
Verifiable web evidence
The web changes.
Keep the proof.
Capture a public webpage before it changes or disappears. URLstamp captures the contents of a URL, calculates its SHA-256 hash, and timestamps it on the Hedera Hashgraph, creating a cryptographic evidentiary record of its existence.
LITE
Live
Capture a webpage
Enter a webpage URL. URLstamp will capture it, create the evidentiary record and timestamp its hash on the Hedera Hashgraph.
Secure captureCapture the contents of the webpage.
Exact SHA-256Create an evidentiary record and calculate its SHA-256 hash.
Public timestampTimestamp that hash on the Hedera Hashgraph.
From URL to verifiable record.
Timestamp
Package the capture and supporting metadata into a timestamped evidentiary record.
Verify
Independently check that the cryptographic hash matches the one stored on the blockchain.