Read-Authentication Methods Registry

ACDP read-authentication method identifiers used in capabilities.read_authentication_methods. Identifiers are lowercase ASCII matching ^[a-z][a-z0-9_]*$.

The schema vocabulary is open. Registries advertise the methods they accept; consumers select one to authenticate read requests for non-public contexts.

Registered values

Adding a method

Open a PR adding a row to the table above. Methods MUST:

• Be lowercase ASCII matching ^[a-z][a-z0-9_]*$.
• Have a public, stable specification.
• Carry the requesting agent's DID (so the registry can apply visibility scoping).

Reserved future identifiers: webauthn, oidc4vp, dpop.