I wonder how easy it would be to create an archive.org equivalent for URL shorteners. Any shortener could pay a fee (based on the number of links they had) in o

I wonder how easy it would be to create an archive.org equivalent for URL shorteners. Any shortener could pay a fee (based on the number of links they had) in order to join, in exchange for which they'd get some form of certification that they were members. The archiving service would be a nonprofit with publicly viewable finances, and would make copies of partial or full link databases available for further download and backup. If it caught on at all, it would do two things well: 1. it would mean that there were few good reasons to use an un-certified link shortener, and 2. it would make the transition to a post-shortener world much simpler and more graceful: twitter could just download the full data set and repeal the character limit for URLs.