Red Hat is an example of provides a good example where a primary ecosystem org provides detailed guidance about using PURL. We have some issues like
#601 regarding future plans to capture additional package metadata, but in the meantime we should enhance the PURL type information on the website to reference this type of high quality information.

NB: The information from the Red Hat website is for Red Hat which does not cover all of the namespaces under the 'rpm' PURL type.