TIL I actually did (well, experimented with) preregistration 10 years go: https://web.archive.org/web/20150119044816/http://onsnetwork.org/chemblaics/
2015: "[Open Notebook Science] Network supports researchers of all disciplines. We believe the world can benefit from access to all knowledge. If you have something you want to share, we welcome you." https://web.archive.org/web/20150119034919/http://onsnetwork.org/about-onsnetwork-org/