Generate a Truely Unique UUID

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

529f9f44-9619-4b44-a2f0-e3e7fc715e11The URI for this is: https://rfc4122v4.api.tuuid.com/529f9f44-9619-4b44-a2f0-e3e7fc715e11

1591799 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?