SWHID and pURL

pURL and SWHID are both software identifiers with similarities, but they are fundamentally different. pURL is assigned by a registry. SWHID is derived from the code itself. They are not competitors — they complement each other.

Description of SWHID: syntax

This article explains the syntax of SWHIDs, describing how the core identifier and optional qualifiers are structured. It shows how SWHIDs can reference software artifacts such as files, directories, revisions, and releases, and how their design enables precise comparison of software