Overview of PID Systems for THOR Webinar

This presentation was part of a THOR webinar on persistent identifiers. It was aimed at all those intrigued, interested or simply a bit confused by persistent identifiers and who wanted to know more. It was an introductory level webinar with the aim of reaching a clear understanding of what persistent identifiers are, why they are important and how trustworthy they are.

Version 2 corrects a mistake in the Metadata Game