The geometry exists by theorem. The steps marked failing below show where the physics is not yet reproduced. Every value, status and experiment on this page is read from the engine's artifacts; OPEN marks an input the engine could not supply.
This page lists the steps from the closed G2 geometry to each physical quantity, with the value, status and experimental pull of each. It needs JavaScript to draw the cards. The same data is in geometry_to_physics.json. The geometry exists by theorem; the failing steps show where physics is not yet reproduced.