My records are a lot like yours , with a number assigned to a plant in the data base and on the orginal tag also on a new tag in the pot . I also put in the data base when I got it, and from who . I print the data base and put the entries on a disk . Just in case the HD. goes
The dates on your plants could be either out of flask or when repotted guess it depending on how big the plants are, could make a guessamate lol. Gin PS# If there is one that is a plant that is entered .