We continue to receive expressions of interest in the project. Here is the current list of supporting organizations.

• Australian National Data Service

• Bibliothèque et Archives nationales du Québec

• Bibliothèque nationale de France

• Bibliothèque nationale de Luxembourg

• Caltech (California Institute of Technology)

• City University of New York

• Consejo Nacional de Investigaciones Científicas y Técnicas – Argentina

• Crossref

• DaSCH, Swiss National Data & Service Center for the Humanities

• The British Library

• ENIP - Universidad Autónoma de Nayarit

• Family Search International

• Indiana University

• Institut Internationale de la Marionnette

• Institute of Information Science, Academia Sinica, Taiwan

• Internet Archive

• HES-SO University of Applied Sciences and Arts, Haute école de gestion de Genève

• National Center for Atmospheric Research

• National University of Ireland, Galway
  

• Penn State University

• Portico

• Sempiternelia

• Service interministériel des Archives de France

• Smithsonian Institution

• Texas A&M University Libraries

• Texas Advanced Computing Center (TACC)
  

• University College Dublin

• University of Arizona

• University of California, San Francisco

• University of Chicago

• University of Houston Libraries

• University of Illinois at Urbana-Champaign

• University of Maryland

• University of North Texas

• University of Pennsylvania Libraries

• University of Southern California Information Sciences Institute

• University of Utah

• University of Virginia
• Zürcher Hochschule der Künste