Fingerprint Registry

Contact

Questions, problems with a purchase, or a privacy request? Email us and we'll reply as soon as we can.

Email

8samples8@gmail.com

Please include

The ledger entry number or certificate link if your question is about a record.

The last 4 characters of your credit key if it is about credits. Never send the full key.

See also: About · FAQ · Privacy Policy · Terms of Service

Fingerprint Registry

SHA-256 identifies content. An RFC 3161 token and a hash-chained ledger anchor it in time. Neither proves authorship or truth.

Timestamp authority: freetsa.org · RFC 3161 · SHA-256

Verifiable offline with OpenSSL

Created by Yannick Langlois

© 2026 Yannick Langlois. All rights reserved.