That's incorrect. In the physical space copies have been made many times and fakes. It takes teams of experts and carbon dating and they still get it wrong. On the blockchain the creation and sale are immutably recorded forever. Provenance is everything in art. It's perfect provenance.
Discussion
You can have a jpeg. Thats not the original traced through provenance. This isn't new this is years of experience. World class museums and high value collectors understand this and have bought pieces.