1 million DOIs allotted
ETH Zurich's DOI Desk has exceeded the 1 million mark for registered Digital Object Identifiers (DOI). Meanwhile, it provides thirty-five services to twenty-five customers all over Switzerland.
ETH Zurich's DOI Desk is the official registration office for Switzerland’s university and research domain.
The Step-by-step guide to DOI registration (external link) reveals which conditions need to be met.