Timestamp Registry

New Entry

Choose a file, enter the author – done. The hash is created in your browser, and the file remains on your device.

Warning: All information will be stored irrevocably on the Solana blockchain. Deletion is impossible.

The file is not uploaded. Your browser only calculates the SHA-256 hash.

The file never leaves your device – the hash is calculated locally in the browser.

Used only to calculate the author hash and then discarded. Remember the exact spelling – verification is impossible without it.

Used only so that you can quickly find your own entries later. It never appears in the public register.

Required fields are marked with *.

This is a research application. We accept no liability and provide no warranty as to functionality, accuracy, or commercial applicability. The application made available here is therefore provided to you without any guarantee or warranty of correct operation or actual usability. Descriptions of functions do not constitute any guarantee of quality or characteristics of any kind. Every user is advised to test the application thoroughly before using it in any manner whatsoever. It is also expressly recommended not to use the application for business-critical processes or for sensitive or personal data. This service may be discontinued at any time without replacement.