Generate a Truely Unique UUID

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

0662ea20-91c9-42c2-a0fc-97c4b74a3cfaThe URI for this is: https://rfc4122v4.api.tuuid.com/0662ea20-91c9-42c2-a0fc-97c4b74a3cfa

1591797 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?