Specification
4 September 2026
Open Brand Definition 3.0.2
An open standard for managing brand truth in AI systems. Three layers: Foundation, Governed Context, Automated Production. Foundation is enough for most cases, everything above it is optional.
openbranddefinition.org →- 1,079 conformance tests, zero failures
- CC BY 4.0 for spec and docs, Apache 2.0 for schemas and suite
- Normative spec, quickstart, 245 KB release package
- First published 22 July 2026