Check the authenticity of a certificate or document :
Copyright.info makes it possible to verify the authenticity of the various proofs of anteriority issued by the services of Datasure, European Trust Services Provider (TSP).
- For all certificates and documents with an IPSO number ;
- By the additional guarantee of their traceability and integrity, via blockchain timestamping (Ethereum)
![Copyright](https://www.copyright.info/wp-content/uploads/2020/08/CopyrightInfoIllustr01.gif)