Remimds me of Vitalik Buterin holding a paper with a new block's hash and posting his photo when there were rumors about him being dead a few years ago.
Back story: https://www.coindesk.com/markets/2017/06/26/proof-of-life-vi...
The block in question (open "Click to see more" and look for the "Hash" field): https://etherscan.io/block/3930000