The PID Forum is a global information and discussion platform for persistent identifiers (PIDs), which brings together the various communities working with PIDs in the research world. It’s a virtual place for sharing best practices, announcing events, asking questions, and having discussions about PIDs. The PID Forum was initiated by the FREYA project which is funded by the European Union’s Horizon 2020 research and innovation programme under grant agreement No 777523. From January 2021 it i