Engines

Active engines are maintained as separate repositories. Platform pages link to engines but do not embed them.

HBCE-OIS

European Operational Identity Pre-Standard. Deterministic verification, fail-closed, append-only test vectors.

Engine surface: https://manuelcoletta1-source.github.io/hbce-ois/

Engine Policy

Engines must remain deterministic, test-driven, and independently verifiable. Platform pages document usage and integration only.