Generate a Truely Unique UUID

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

79b84b23-0c65-4e03-a5c8-e24d0c8bc064The URI for this is: https://rfc4122v4.api.tuuid.com/79b84b23-0c65-4e03-a5c8-e24d0c8bc064

1591796 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?