Leaf Leaf

Timestamping in the Blockchain

Are you an artist?

Are you a musician?

Are you a writer?

Are you a designer?

Are you a journalist?

Are you the first to create something and you want to use the Blockchain to prove it?


Please give us your feedback:



The action of recording a date and time of an event (could be done by a camera for a picture, a newspaper printing for an article, a post on a social media…).

Our proposed process is using blockchain technology which produce “trusted timestamping”.

A timestamp proves that a message existed prior to some point in time; timestamps are occasionally referred to as “proofs-of-existence”.


Drag & drop your media file to the app and get your file in .ots format.

Store this file.

Drag & drop your media file and the .ots file to get and share independently verifiable receipts under the format .ots and blockchain evidence.