What I make of it
RFC 7643 IS a data model spec — core user and group schema.
SCIM
Exchange Schema
Identity
openly published
Also in the API standards catalog
This standard shows up on both sides of the house — as a data model here, and as a standard applied in API operations. Same standard, two lenses.
See it as an API standard →Other identity data models
W3C Decentralized Identifiers (DIDs)
Information Model
EUDI Wallet Architecture and Reference Framework
Information Model
ICAO Doc 9303 machine readable travel documents
Information Model
ISO/IEC 18013-5 mDL (mobile driving licence)
Information Model
OpenID Connect standard claims
Information Model
W3C Verifiable Credentials Data Model
Information Model