sfescape

That is a blockchain, and provides the validation and history integrity that is core to (and where the name 'blockchain') comes from.

The New York Times example is by the inventors of blockchain.

https://www.anf.es/pdf/Haber_Stornetta.pdf

git predates the creation of bitcoin and 13 years after the invention of blockchain.

I don't agree with that. The oldest blockchain known has its hash codes published each week in the New York Times. I would agree that having the ability to prove the history hasn't been modified by externally retaining the hashes could be a component, but git qualifies for that as well.

I said one of the most. I didn't declare it the most...

I'm surprised that it's not mentioned in the article that one of the most interesting architectural aspects of git is that it's a blockchain system.