Proof of creation · WYRR DLT
Prove it existed.
Verify it forever.
Fingerprint any file with SHA-256 right here in your browser, anchor that fingerprint on WYRR’s Hyperledger Besu chain, and let anyone confirm it — without the file ever leaving your device.
- Private by designThe file is hashed locally. Only its 64-character fingerprint is sent.
- Anchored on-chainEach proof is a real transaction on WYRR DLT — chain 1337.
- Publicly verifiableCheck a file, proof ID, or transaction. No account needed.
Create proof
SHA-256 → registry → BesuDrop a file here, or browse
Hashed in your browser · never uploaded · up to 250 MB
SHA-256 fingerprint
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More details optional
A proof is public: its title, file name, type, size and fingerprint can be seen by anyone who verifies it. The file’s contents never leave this device.
- 1Hashing
- 2Submitting
- 3Anchoring
- 4Anchored
Verify proof
Public · no account
Have the file? Choose or drop it here to re-hash it locally.
Your proofs
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