identity_method_evidence_invalid· reason_code· applies to identity_resolution, auth_decisionSubmitted method_history_evidence fails independent verification: broken inception/current hash chain, SCID mismatch, invalid controller proof, unmet witness threshold, or stale evidence. An Applet-managed principal MUST carry a complete webvh_log; did:web snapshots, did:key expansion and service attestation are not substitutes. See zh/extensions/applet-integration.md.