https://github.com/common-workflow-language/user_guide/blob/b6c2f66a69f2eb63ba37b9a012eaa73743320701/src/topics/specifying-software-requirements.md?plain=1#L29 Should this be _uniform_ resource identifier? (Although I don't think the RRID has a formal URL scheme or URN namespace yet.)