My understanding is it is an arxiv-style repository but with absolutely zero censorship or curation for the most part. In practice, that means it ends up being

My understanding is it is an arxiv-style repository but with absolutely zero censorship or curation for the most part. In practice, that means it ends up being a stable repository for actual researchers to host their research preprints easily, and an army of crackpot paper uploads that are very entertaining to read.