http://blog.archivep75mbjunhxc6x4j5mwjmomyxb573v42baldlqu56ruil2oiad.onion
This is similar to one of the roles of a library. In this way, one document can refer, through a hypertext link, to a document on another server and a reader will be able to follow that link even if the original is gone. We see this as an important piece of infrastructure if the global hypertext system is to become a medium for scholarly publishing.