Yes, if there is a set of strings that can uniquely identify you, and you can't have it removed, nor act like somebody else, it's your identity.
Even GDPR admits it
Yes, if there is a set of strings that can uniquely identify you, and you can't have it removed, nor act like somebody else, it's your identity.
Even GDPR admits it
So, your name is also this sort of identifier. But an “identifier” is not an “identity” in the way you mean it. Sometimes words are used in multiple ways.