A UUID generator uses a complex algorithm, which takes into account factors, such as the current date and time, to produce a hexadecimal number that has a statistical guarantee of uniqueness.
Procedural due process. Principle required by the Constitution that when the state or federal government acts in such a way that denies a citizen of a life, liberty, or property interest, the person must first be given notice and the opportunity to be heard. See Due Process.
This interpretation has proven controversial, and is analogous to the concepts of natural justice, and procedural justice used in various other jurisdictions. This interpretation of due process is sometimes expressed as a command that the government must not be unfair to the people or abuse them physically.