I am not sure where you are getting the Time XP as 1,621 from. I have already updated Lem's sheet for the XP and finances.
Lem started the adventure at 2,054 XP. He earned 300 XP in encounters and 946 in time over 86 days. That brought him up to 3,300 exactly for third level. Then he earned another 400 XP in encounters and 870 in time over 58 days. That brings him to a grand total of 4,570 XP. For gold, he earned 962.5 in encounters, 946 and 986 at each level for a total of 2,894.5 gold pieces.
If you want the bracers, yes. You state you are taking the bracers in this thread, and then add them to your character sheet, subtracting the appropriate amount of gold, 1,000 gp. Claiming them in this thread is needed, so GE doesn't sell the bracers back to the Mystic Pearl and give Lem just coins.