Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Background
5 Requirements for PID frameworks and PID use
6 Complementary requirements
Annex A (Informative) - Independent resources, aggregated
resources, and parts of resources
Annex B (Informative) - Persistent Identifier System
Implementations
Annex C (informative) - ABBREVIATIONS
Annex D - Alphabetical index
Bibliography