That may or may not be true. [I haven’t kept up will all the comments pro and con regarding Obama’s birth certificate.]
I know my college transcripts, for example, used to require a raised/embossed imprint to be valid. However, a few years after I graduated, I requested an official transcript. It came from the college with only a rubber stamped ‘offical transcript’ notation.
One needs to find out the current requirements in Hawaii for issuing such document. If Hawaii requires an embossed stamp, the birth certificate should have one. However, Hawaii may no longer require them. States change their regulations occasionally.
The author of this piece claims he did.
In the very last sentence of his article.