Bring a pot of salted water to a boil and blanch, separately, cabbage, green beans, carrots, cauliflower and broccoli. Drain separately as well. Heat peanut sauce in a small saucepan, adding water if it is too thick, adjust seasoning. Arrange arugula leaves, potato, cucumbers evenly on a platter. Arrange blanched vegetables on top. Top with hard boiled eggs and radish sprouts. Pour hot peanut sauce over top. Garnish with crispy shallots. Serve with rice crackers.