But is the ban permanent after the first offense? Even if it is, I always think there is some right to appeal. Either way, that's not the subject of this topic.
Yes. You will be permanently banned if you make a plagiarized post and the appeals are very unlikely to be accepted. Temporary ban is usually issued for spamming.
We have exceptions. There were many who were given a second chance and unbanned with the condition that they can not participate in signature campaign. Their signature space is disabled for a year or two. I don't know the gravity of the offense OP did but if it is slightly tolerable then a signature ban can give him a time for redemption.
Girlboy, the Global moderator has been so kind with ban appeal request, I don't know what offence OP committed but if it's plagiarism and he copied only that one time there is a good chance he will get unbanned without any Sig penalty just like the two unbanned cases from last year..
If your only offense is plagiarism, your chances of being unbanned are 50-50, but if it's ban evasion, you're screwed for life. Good luck.