>The full URl to the original page.

I thought that was the standard in academia? I've had reviewers chastise me when I did not use wayback machine to archive a citation and link to that since listing a "date retrieved" doesn't do jack if there's no IA copy.

Short links were usually in addition to full URLS, and more in conference presentations than the papers themselves.

See also memento https://arxiv.org/abs/0911.1112