Funny enough, it's not quite the same, but Huawei has a Linux distribution that is certified to conform to the Unix 03 standard https://en.wikipedia.org/wiki/E

Funny enough, it's not quite the same, but Huawei has a Linux distribution that is certified to conform to the Unix 03 standard https://en.wikipedia.org/wiki/EulerOS https://en.wikipedia.org/wiki/EulerOS