Generate a Truely Unique UUID

Watch this closely! You will never ever see this ID again at this place:

5104ea45-0faa-46ac-b772-31c08316198bThe URI for this is: https://rfc4122v4.api.tuuid.com/5104ea45-0faa-46ac-b772-31c08316198b

1591805 truely unique UUID's were so far generated. Potential collisions prevented: 0

What is an UUID?

What means truely unique?

Is there a warranty for this service?