On further inspection what I thought were alchemy table slot references were in fact references to which bag/slot the item came from rather than where it is put. The enchant table doesn't seem to have a similar function though to grab the bag and slotIDs of the runes being combined and the enchant item being deconstructed.
But yes I have seen both ^p after items looted from a body or node or ^n from a crafting station. Perhaps a symbol to denote the source. Maybe one day we will get access to that sort of information
