Skip to main content About Perma & How to Register

A free service for Cornell researchers to mitigate link rot

About is a service to create persistent links to resources cited in publications. By using, you can mitigate link rot within your citations; link rot is when web pages become unavailable or when the content on those pages shifts. is a service developed and maintained by the Harvard Law Library.

As a Cornell colleague engaged in publishing, you can register for a free account. Unlike private accounts with subscription-based limitations on number of links created, your Cornell-affiliated account allows you to create an unlimited amount of links. 

How to Register

To request a free account, please contact:

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