Yes, I think it would be possible for a third-party fact-finder to have an anonymized version of the statement of facts of what had occurred, and for that to be presented to the House for consideration. Based on that finding of fact, should the House proceed with the disciplining of a member? I think one could still maintain some degree of confidentiality in the process, with the third party establishing the facts and the House or committee proceeding as to whether those facts are serious enough to discipline the member.
On February 23rd, 2015. See this statement in context.