Generate a Truely Unique UUID

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

69f09ad3-0a39-495e-904c-cb67976133abThe URI for this is: https://rfc4122v4.api.tuuid.com/69f09ad3-0a39-495e-904c-cb67976133ab

1591889 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?