There are several ongoing efforts to maintain an archive of SciHub https://www.reddit.com/r/DataHoarder/comments/8ky647/scihub_repository_torrents_of_scientifi

There are several ongoing efforts to maintain an archive of SciHub https://www.reddit.com/r/DataHoarder/comments/8ky647/scihub_repository_torrents_of_scientific_papers/ https://www.reddit.com/r/DataHoarder/comments/8ky647/scihub_... https://www.vice.com/en/article/pa7jxb/archivists-are-trying-to-make-sure-a-pirate-bay-of-science-never-goes-down https://www.vice.com/en/article/pa7jxb/archivists-are-trying... The paper collection software, if I recall correctly, is actually quite simple and uses APIs provided by publishers. It's the store of credentials that SciHub uses (that are provided by academics and scientists) which truly powers the site