Recently, I wrote about some initial adventures with OriginStamp

Using OriginStamp’s UI or API, submitting a hash results in transactions being submitted to Bitcoin, Ethereum and a German newspaper.

Using the API, it’s possible to query OriginStamp’s service for a proof. This post explains how to verify such a proof.

The diligent reader among you (Hey Mom!) will recall that I submitted a hash for the message:

Frederik Jack is a bubbly Border Collie

The SHA-256 hash of this message is: