Following a request from an IATI publisher (via github) a new list has been added with the code XI-PID. You can view this list here http://org-id.guide/list/XI-PID
List title: PermID
Scope: Non-country (international)
List description: Thomson Reuters Permanent Identifier (PermID) is a machine readable identifier that provides a unique reference for data item. PermID provides comprehensive identification across a wide variety of entity types including organizations, instruments, funds, issuers and people. PermID never changes and is unambiguous, making it ideal as a reference identifier.
List access details: Search for an entity and use the value in the ‘PermID’ field
List search url: https://permid.org/