these are the items you lost at gladiators? nobody picked them up, unless you have proof that you really didnt make it back in time i cant do much since items dropped there show just fine for the full 2min.
[2016-08-07 19:27:52] drop: 1659 5274 0: Ruby bolts[9339], 567
[2016-08-07 19:27:52] drop: 1659 5274 0: Ring of stone[6583], 1
[2016-08-07 19:27:52] drop: 1659 5274 0: Ranger boots[2577], 1
[2016-08-07 19:27:52] drop: 1659 5274 0: Void knight gloves[8842], 1
[2016-08-07 19:27:52] drop: 1659 5274 0: Elite void knight bottom[19790], 1
[2016-08-07 19:27:52] drop: 1659 5274 0: Elite void knight top[19789], 1
[2016-08-07 19:27:52] drop: 1659 5274 0: Ava's accumulator[10499], 1
[2016-08-07 19:27:52] drop: 1659 5274 0: Void ranger helm[11664], 1
[2016-08-07 19:27:52] drop: 1659 5274 0: Prayer potion (2)[141], 1