Is there anything that can be done to resolve the negative trust or is this the final judgement on this account?
Of course there is - but you must be able to convince all users who provide negative tags by proving the accusations are not true. You can resolve it in PM or with this thread - but if you really want to get the tag removed, then prepare your own defense.
But how can you make a rebuttal if your case is really valid as has been proven here:
https://bitcointalk.org/index.php?topic=5452661.msg62242194#msg62242194