The child's race is not listed, only those of the parents. This one is from 1963 (a copy made in 1998)
Try again. Most likely it won't even be a Hawaiian BC, or it will show a home birth, with no doctor or hospital listed. That's a good indication that it was fraudulently filled out, especially given the recent "which hospital" flap.
Why not just produce a forgery. They have had plenty of time to do the best that money can buy. Get some friendly document experts to examine it and pronounce it genuine. Then, all his accusers have egg on their faces, and he looks like the bemused adult, gazing at the pitiful.
It will list the father as frank marshall davis or "unknown" thus making his whole life that he allegedly wrote about in those two books a big fat lie.