The https://librarysimplified.org/rel/auth/anonymous link relation can be used as a value in the type array to indicate that it's okay to get books from this site without providing any authentication.
If https://librarysimplified.org/rel/auth/anonymous shares the type array with another authentication mechanism, it means that it's also possible to authenticate with the site, possibly getting access to additional books or features.
This is one of a series of proposals for taking NYPL's extensions to Authentication For OPDS and adding them to the core document.
https://github.com/NYPL-Simplified/Simplified/wiki/Authentication-For-OPDS-Extensions#link-relation-for-anonymous-access
The
https://librarysimplified.org/rel/auth/anonymouslink relation can be used as a value in thetypearray to indicate that it's okay to get books from this site without providing any authentication.If
https://librarysimplified.org/rel/auth/anonymousshares thetypearray with another authentication mechanism, it means that it's also possible to authenticate with the site, possibly getting access to additional books or features.