I personally don’t have an opinion on its authenticity, but virtually no one who has a solid opinion will change their mind at this point.... no matter what “evidence is presented.
Oh Catholics and their relics.
It hasn’t been done … because up until now it CAN’T be done.
The shroud is basically a photographic negative, and if the Carbon-14 dating was accurate then it was produced at least 500 years before photography was even invented. That’s like examining an archaeological dig of a Cristopher Columbus landing site from 1492 and finding a space shuttle there.