timestamping

Publication of timestamps issued by gitta.zeitgitter.net

A time-stamped archive of the signatures created by the PGP Digital Timestamper, now as Newsgroup and their archives are getting harder to find.

Blacknet is a decentralized zero-knowledge finance application platform with the proof of stake consensus https://blacknet.ninja

Automagic maintenance of a git-based, timestamped blockchain

Independent GIT Timestamping: Client, server, documentation

It contains the necessary libraries in PHP for the registration and validation of transactions to the blockchain of stamping.io