The “one platform1 to rule them all” is unlikely to be realized for scientific research in any domain.

I have sought to identify and enumerate core FAIR-enabling services. I attempted a five-week experiment to expand on my tentative list, but I did not complete it.

Don’t. Identifiers should be opaque. If you’re given an owl:sameAs assertion from a party you trust, use that.

Is a metadata record “almost” expressed in the same language you used for your filter criteria?