We are happy to announce that last Friday the 4 millionth DataCite DOI name was registered. The resource registered was a digitized version of an old manuscript, registered by our Swiss member ETH library Zuerich. The citation is:
Haller; (1763): Liste des arbres et arbustes sauvages de la Suisse; Société Oeconomique de Berne. doi:10.5169/SEALS-382563
You will always find an overview on our current statistics at our statistic page.