And a public proof that you purchased the NFT, not the artwork itself or any particular license or rights in it.
As the OP mentions, people are selling NFT's with URLs pointing to art without the permission or involvement of the artist. This demonstrates that ownership of an NFT does not "prove" anything about ownership related to the art itself.
As the OP mentions, people are selling NFT's with URLs pointing to art without the permission or involvement of the artist. This demonstrates that ownership of an NFT does not "prove" anything about ownership related to the art itself.