OpenID Federation is a rich test case for TSMM because it distributes trust through signed metadata, authority chains, and federation-managed publication semantics. That makes it an excellent ecosystem for semantic binding.
GovernanceAuthorityTrustRegistry in the publication and trust-anchor senseIssuerVerifierCredential in a composite sense because the artifact blends metadata, authority, and trust assertionTSMM can describe the governance topology that sits underneath federation artifacts. That lets implementers compare OpenID Federation-style ecosystems with trust registries, credential ecosystems, and agent networks without pretending they are identical. Similar is not identical; identical is rare; and pretending otherwise is how interoperability decks become fiction.
bindings/openid-federation/tsmm-openid-federation-binding.jsondocs/crosswalks/openid-federation-crosswalk.mddocs/model/tsmm-graph-model.mdThis binding now includes an explicit contract section in bindings/openid-federation/tsmm-openid-federation-binding.json and a paired constraint set at bindings/openid-federation/constraints.json. Together they record what the mapping preserves, where it becomes approximate, and what should not be inferred without the target ecosystem’s own rules.