After all is said and done, your opponent wins by default. The date on your entry is the 11th and the deadline was the 10th. If it's any consolation, my personal opinion is that you had the better build, but rules are rules. We're sorry to see you go Grant and we apologize for all the confusion. If you want more information about the final decision, the decisive comment can be found in this thread:
http://mocpages.com/group_conversation.php?id=18639&topicid=87500