 be either <code class="docutils literal notranslate"><span class="pre">MD5</span></code> (Version 3 UUID) or
<code class="docutils literal notranslate"><span class="pre">SHA1</span></code> (Version 5 UUID).
A UUID has the format <code class="docutils literal notranslate"><span class="pre">xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx</span></code>
where each <code class="docutils literal notranslate"><span class="pre">x</span></code> represents a lower case hexadecimal character.
Where required, an uppercase repres