Good data, Blade, and thanks for clearing that up. I, too, have lost a base near the Pagoda, but it was T1 and they took everything while I was offline. 3 stories, maproom, all equipment; it was a fully functioning level 60 base reduced to sand. Unfortunately, again, T1, and fully exposed with few thrall defenses. I learned a valuable lesson and rebuilt T3 with plenty of thrall and pet defenses with exposure from two directions only.
I understand the loss and feel your pain; rebuilding will take a while, condolences.
Beyond that, what causes me concern, is that your purge meter did not get reduced (as mine did and does). Is there a possibility that offline purges are not registering? On a private online server, we eliminated offline purges so for me, at least, no testing is possible, thus I do not know how to help, sorry.