Generates and returns a base LSID
        :return:

def _generate_base_lsid(self):
        """
        Generates and returns a base LSID
        :return:
        """
        domain = self._generate_domain()
        namespace = self._generate_namespace()

        # Return the base LSID
        return "urn:lsid:" + domain + ":" + namespace