webvh_witness_proof_invalid· reason_code· applies to identity_resolution, auth_decisionA witness proof in did-witness.json fails signature verification, is signed by a key outside the witness listed in parameters.witness, or does not bind the versionId it is offered for. The proof does not count toward threshold and the entry MUST be treated as under-witnessed. See zh/identity/identity-did.md §3.4.1.