The document discusses ORCID, a non-profit organization that provides unique identifiers for researchers and links to other identification systems to solve name ambiguity. It notes that over 2 million researchers have registered for an ORCID identifier. ORCID is supported by institutional members and allows researchers to create and maintain their own record free of charge. The document outlines how ORCID identifiers are being integrated by publishers, funders, universities and other organizations to identify and connect researchers to their work and affiliations.