Proof Of Existence, 2014, Bitcoin Transaction.
I have placed the hash of my genome into the Bitcoin Blockchain:
This proves my existence, at least since block 286917 at around 18:45 on 2014-02-20.
I have placed the hash of “God” into the Bitcoin Blockchain:
This proves that God exists, at least since block 287497 at around 4.35am on 2014-02-24.