How are we meant to get Atheon/other Advanced Ships without Artifact Transports?

Recently Artifact Transports were removed. How are we able to get the artifacts needed to craft Advanced Ships if the materials don’t show up in Mega Base’s shop and can’t be found regularly?

they arent removed (i think)
i saw 2 x 3456s at 3:00, 2 hours after chip supposedly made the change.
(it was also a private server that was started at 2:00 pm)

Artifacts spawn randomly around the map as a collectable