Every file has a fingerprint
Choose a file.
Start with the file version you want to record.
Data use and file fingerprint
The SHA-256 fingerprint is calculated in this browser. The upload route records the fingerprint and size, not a recoverable copy of the original file. Confidentiality, access, retention and deletion conditions have not been specified for this demo.
No file selected yet.Choose a file to continue.
CREATE A RECORD
Creating your record…
Uploading and sealing this file version.
RECORD RESULT
Record response received.
Waiting for verification checks.
Signer trust: Not checked yet.
Checks are reported by the BuildSeal service. This browser does not independently verify the cryptography.
The record contains the file fingerprint and size; it is not a backup of the original file.