Alex ter Weele writes: >> + (home-page "https://data.guix.gnu.org/") > > I found that only http://data.guix.gnu.org/ works. Good spot. When I wrote this, I was planning on setting up HTTPS for data.guix.gnu.org, but when I came to do it, I didn't quite know how to configure it. It's still on my list of things to do, but I've now changed the patch to use http.