Open Archives as a whole is an experiment, it drives innovative development. Some experiments are not implemented on the whole website yet, but do have a separate page to present the idea.
Learning and innovation go hand in hand. The arrogance of success is to think that what you did yesterday will be sufficient for tomorrow.
I failed my way to success.
Find your ancestors and publish your family tree on Genealogy Online via https://www.genealogieonline.nl/en/