Generate a Truely Unique UUID

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

c6565725-08c5-493e-880b-ccdb93a22887The URI for this is: https://rfc4122v4.api.tuuid.com/c6565725-08c5-493e-880b-ccdb93a22887

1591792 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?