User blog comment:Ubersketch/A proposal for a standard/@comment-35470197-20190811012241/@comment-34422464-20190812120811

https://googology.wikia.org/wiki/List_of_systems_of_fundamental_sequences#Fundamental_sequences_for_notation_using_weakly_compact_cardinal

Here's an alternative to KOCF (probably called something like KOCF2). Now that I've found it, I'd say this is a better alternative to KOCF, but the FS can easily be applied to KOCF and other OCFs with ease.