In my experience it seems that most people dont read forum-rules or Codes of Conduct that carefully, no matter how many sticky threads link to it, but if files of violators are publicly displayed people will get an example of "this is not the way to behave on a forum". This should make it easyer for people to stay "within the lines". I have seen seperate Moderation Announcement forums at other large community forums and Ive learned more about forum rules from those files then by reading the actual CoC (Code of Conduct).
It should be in the format of something like this:
- Topic titles are equal to the name of the forummer who violated the CoC
- The topic should contain a 1 line summary of the violation, the duration of the ban and a link to the thread(s) in which the violation took place
- Replies to these topics will contain further moderation issues if the same person violates the CoC again in the future
- Only moderators and administrators are able to post threads/replies
Im not sure whether something like this will work here on Guru, but I dont think it can hurt to pop out a mere idea

Yours sincerely
Reinfire