code: def get_release_id(self, package_name: str, version: str) -> bytes:
          
          validate_package_name(package_name)
          validate_package_version(version)
          self._validate_set_registry()
          return self.registry._get_release_id(package_name, version)
docs: Returns the 32 byte identifier of a release for the given package name and version,
          if they are available on the current registry.