DOI® Handbook The Foundation About Us Board & Governance Sustainability The Community What are Registration Agencies? Existing Registration Agencies Who Are The Members and Users? The Identifier What is a DOI? DOI Handbook Resources The Identifier DOI Handbook DOI® Handbook The DOI Handbook is the main source of information about the DOI System (DOI https://doi.org/10.1000/182 identifies the latest current version of the handbook). It describes the DOI System at business and technical levels and assists the community in understanding the system and Registration Agencies (RA) in providing services based on the system. The DOI Handbook is available in HTML and PDF formats. The version of record is the PDF. Please contact us if you have any questions or comments on the DOI Handbook Note that the DOI Handbook is currently under active review and will be updated to reflect the revised ISO 26324:2022 Standard which is under development (ISO/DIS 26324) and expected to replace 26324:2022 within the coming months. Visit the new DOI Handbook (December 2025)| Download the 2025 DOI Handbook as a PDF (2.0MB) Updated December 10, 2025 Resources Governing Board Status page Email us The DOI Handbook ISO 26324 Privacy Policy Trademarks (PDF) Copyright © 2026 DOI Foundation. The content of this site is licensed under a Creative Commons Attribution 4.0 International License. DOI®, DOI.ORG®, and shortDOI® are trademarks of the DOI Foundation.