Permalinks take me to custom post archive

Any idea why my post permalinks point to my general custom post type slug?

Here’s a link to my archive page: (you’ll see a response link for the Library of Congress post that should point to the permalink for the post – bit it doesn’t)
http://derek.dev.journalism.cuny.edu/researchlinks/

Here’s the code for registering my post type.

Thanks for any help.

[Code moderated as per the Forum Rules. Please use the pastebin]