http://www.rfc-editor.org/rfc/rfc7302.txt
RFC 7302: Entertainment Identifier Registry (EIDR) URN Namespace Definition, P. Lemieux2014-07-01T23:00:00-00:00Entertainment Identifier Registry (EIDR) Identifiers are used for the globally unique identification of motion picture and television content. This document defines the formal Uniform Resource Name (URN) Namespace Identifier (NID) for EIDR Identifiers.