Open Orthodox basically does not believe there is Torah Hashkafa. They openly say that we should find a way to make Torah reflect what we feel is right, and follow or own moral senses. Example, find a way to have women rabbis, activily support homosexual right to marriage, ECT…
They openly say they do these things because they are the right thing to do, therefore do it. And just because the Torah seems to not support it, look harder and be more creative and you’ll find a support