No, it's not, but each ticket issuer would need to design and implement their own authenticity check mechanism.
I think you misunderstood the tone of my original comment, which was that NFTs introduce an extremely marginal benefit for the ticketing use case while bringing in all the negative aspects of something based on a permissionless blockchain AND still requiring a trust relationship with the issuer to be established out of band.
I think you misunderstood the tone of my original comment, which was that NFTs introduce an extremely marginal benefit for the ticketing use case while bringing in all the negative aspects of something based on a permissionless blockchain AND still requiring a trust relationship with the issuer to be established out of band.