For anyone wondering about the rest of the X standards, they're at: https://www.itu.int/itu-t/recommendations/index.aspx?ser=X https://www.itu.int/itu-t/recomme

For anyone wondering about the rest of the X standards, they're at: https://www.itu.int/itu-t/recommendations/index.aspx?ser=X https://www.itu.int/itu-t/recommendations/index.aspx?ser=X For example from 2023: X.1095: Entity authentication service for pet animals using telebiometrics