Information and documentation - Requirements for the long-term management of persistent identifiers
Edition 2013-01

Information Technology - Multimedia Framework (MPEG-21) - Part 3: Digital Item Identification - Amendment 1: Related Identifier Types (Adopted Amendment 1:2007 to ISO/IEC 21000-3:2003)
Edition 2007

Information Technology - Multimedia Framework (MPEG-21) - Part 6: Rights Data Dictionary - Amendment 1: Digital Item Identifier Relationship Types (Adopted Amendment 1:2006 to ISO/IEC 21000-6:2004)
Edition 2007-11-01

Information and documentation - International Standard Audiovisual Number (ISAN) - Part 1: Audiovisual work identifier
Edition 2023-01

Information technology - Automatic identification and data capture techniques - Digital signature data structure schema - Amendment 1: Domain authority identifier (DAID) specification for the GS1 legal entity identifier and encoding clarifications
Edition 2024-10

Information technology - Multimedia framework (MPEG-21) - Part 3: Digital Item Identification - Amendment 1: Relates identifier types
Edition 2007-02

Information technology - Open systems interconnection - Part 2: Procedures for the object identifier resolution system operational agency
Edition 2011-09

Geographic information. Place Identifier (PI) architecture
Edition 2012-12-31

Geographic information. Place Identifier (PI) architecture. Place Identifier (PI) linking
Edition 2017-08-23