Don't see what trust you are talking about. There's no need to have "one thing". The important thing is that the research is public. If it lives in multiple rep

Don't see what trust you are talking about. There's no need to have "one thing". The important thing is that the research is public. If it lives in multiple repositories is irrelevant. Just have an aggregator query the 10 biggest of those and we're done. SciHub already achieves this without any support from institutions or universities, that ought to convince anyone that it's possible.