Oh, that's what alchemizing is. But that doesn't make sense. You've made several items using your alchemy stand, but it's only showing the one you made a few hours ago. You suspect this is true for the rest of them, if they actually have used alchemy before today, that is.
It seems that it only shows the stuff from today, and nothing else. Perhaps this signifies the importance of today for the overall nature of the game. But, just to be sure...