I've made my affiliation public now thanks to @cgwalters: https://github.com/ostreedev/ostree/pull/1678#issuecomment-653148139
He did a lot of work on signing and will continue that.
I tried to balance reflecting the reality of who works on libostree today with keeping some of the existing committers - particularly committers from multiple organizations. Part of switching libostree over to OpenShift Prow.