Each group is its own account on the network. Its public events live in that account's repo.
Food and such
test-3.group.opnmt.net
Custody B.3 walk: the creator holds the login.
b3-walk.group.opnmt.net
Long-lived public test group on the alpha PDS.
alpha-shakeout.group.opnmt.net
testing
test-1.group.opnmt.net