== UUID shape ==
  01a10640-0dba-79ff-b09a-6f9166c7df14
  canonical form: OK
  length 36:     OK
  version 7:     OK
  variant ok:    OK
  isUuid():      OK
  decodes to:    2026-10-04 09:30:23 (drift 0s)
  near now:      OK

== ordering ==
  500 ids sort to their generation order: BAD
  all unique:                            OK

== entropy ==
  distinct within a millisecond: OK
  hex digits used: 14 (a weak generator uses only a few)

== tokens ==
  179a665e9f241fc7d375e5811522560c571d62b5a79e05b236038a3b46a55f20
  64 hex chars:  OK
  two differ:    OK

== rejects non-uuids ==
  ""                                       rejected OK
  "not-a-uuid"                             rejected OK
  "12345"                                  rejected OK
  "zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"   rejected OK