The ORCID® organisation gives researchers and contributors a unique, persistent identifier that helps your work to be distinguished and recognised across the research landscape.
Author disambiguation: An ORCID identifier is unique and allows you to associate variants of your name to the same iD. This allows you to correctly attribute all your research outputs and get the credit for them.
Mandatory requirements: ORCID is currently mandated by Wellcome Trust and NIHR for their grant applications and is recommended to be mandatory for the next REF.
Permanent lifespan: Your ORCID identifier is unique for you and belongs to you for life. Changing institutions or names does not affect your iD.
International standard: ORCID is an international standard which transcends discipline, geographic, national and international boundaries.
Supported by funders, associations and publishers: ORCID is embedded in many funder grant application requirements. It is supported by many professional organisations, such as APA, AAAS, IEEE, MLA and many others, and across a large range of publishers eg Elsevier, IOP, NPG, and many others.