K01-TO: No
Rationale
The selected onion-v3 introduction/rendezvous hs-ntor construction uses Curve25519. No post-quantum KEM is part of this selected endpoint handshake. A successor proposal or a different relay-link handshake does not change this endpoint construction.
Assessment method
Specification/source/dependency analysis; no new runtime execution
Source context
Primary documentation and explicitly selected composition; documentary review 2026-10-15