Drain canned chickpeas and reserve the liquid (also called aquafaba).
Place chickpeas in a grinder with a little aquafaba. Grind to a very smooth paste.
Add cooled pumpkins, and grind to a smooth paste. Add tahini, oil, garlic, ground cumin, ground cinnamon and cayenne pepper (if using).
Grind to a smooth paste. Season with salt and pepper.
Transfer to a serving bowl. Make a dip in the hummus. Drizzle with olive oil.
Garnish with pepitas and paprika.
Serve with pita chips, tortilla chips, crackers, apples, or your favorite sliced veggies.