It is likely that he has political, and potential legal sovereignty issues with respect to his citizenship record, many of which issues result from Hawaii Birth Certificate filings.
It would not surprise you to learn that his most recent filing is one made around the time Stanley Ann returned to Hawaii with the half sister and was cleaning up the sister's citizenship and Birth Certificate record--which filing may well have been in the Barry Soetoro name.
Nor would a filing prior to that time but after the original birth filing at the point he was adopted by the second husband surprise you either--if he was in fact adopted.
But the significant filing that ought to count for purposes of the Article II, Sec. 1 test is the original birth filing, if any. Because the issue is where he was in fact born.
Suppose he comes back with unsealing one or more of the intervening filings (but not the original) and says "well there has been uncertainty about my birth and birth certificate because my mother had a second husband who adopted me but under these treaty provisions and statutory provisions, I couldn't lose either my natural born or actual birth citizenship in the US because I never swore allegiance or served in a foreign army. I know the stuff is confusing; and I can see the negative political impact; but it really makes no substantive difference to my eligibility to act as President nor to my actual citizenship. (By the way, I haven't had my original birth record unsealed--we all know it was in Hawaii.)"
What Nixon would have called a limited hangout. Maybe buttressed by a written statement from his real grandmother (Stanley Ann's mother) which says she was there when he was born in Hawaii.
I think in that case he wins. At least politically. It would muddy up the issue so badly that the electorate would be so confused that they would avoid thinking about it.