That's why 301works exists (http://www.archive.org/details/301works http://www.archive.org/details/301works). Granted, even if one of the URL shortener part of

That's why 301works exists (http://www.archive.org/details/301works http://www.archive.org/details/301works). Granted, even if one of the URL shortener part of this group goes down, it would be a pain to get all the sort links replaced, but this would be possible.