Do you have the logs from the room you were in when this happened? Also I have seen the GMs in the past be able to review a time shortly before to confirm the item was present or not.
Good Luck
Updated Topic again.
Still looking for the following:
Shifta Lvl 30
HP Materials
Luck Materials
I want to give a big thanks out to @Terrybriggs711 , @Lemon , @serverus , @Moiy Sanchez , @O9B066 for helping me out