"Piled Higher and Deeper" by Jorge Cham
ORCID identifier - provides a persistent digital identifier that is independent of any institution or proprietary system. An ORCID iD is increasingly a requirement for submissions to journals and funding agencies and can be used with other systems to gather and display your work.
ResearcherID - an identifier used by the Web of Science. It can be connected to your ORCID ID. (ResearcherID has become part of Publons. If you already have a ResearcherID, you can log into Publons using those credentials. If you did not have a ResearcherID, you can create one by registering with Publons and connecting your profile to the Web of Science.)
Scopus Author Identifier - an identifier used in the Scopus database. It can be connected to your ORCID ID.
Author "name ambiguity" is a big problem in the research community, with many researchers having the same or similar names. Unique author identifier systems have been developed to address this problem. Some advantages to registering for a unique identifier are