Generate a Truely Unique UUID

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

61a6da1b-c252-4963-af99-f921b4352762The URI for this is: https://rfc4122v4.api.tuuid.com/61a6da1b-c252-4963-af99-f921b4352762

1591831 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?