[upd] - Zdoc

They locked him in the rare book room, but it was too late. The ZDOC protocol was replicating. Other archivists began finding their own folios. Catalogers started forgetting how to alphabetize. A manuscript on Byzantine history was found reduced to a single sheet of paper with a single word: CONNECTION .

Days later, the librarians found him hunched over the device, muttering. On the walls of the attic, he had scrawled equations. On the floor, he had arranged books not by title or author, but by the prime numbers of their page counts. The card catalog was rearranged into a single, looping Möbius strip of cross-references. He had turned the library into a mirror of the ZDOC. They locked him in the rare book room, but it was too late

And it was called ZDOC.