Pulled Pork Nachos

Name: Pulled Pork Nachos
Ingredients: 3 lb. boneless pork butt, well trimmed and cut into 2-in. pieces (you should have about 2 lbs total); 1 tsp. ground coriander; 1 tsp. ground cumin; 1 tsp. dried oregano; Kosher salt and pepper; 6 cloves garlic, smashed; 2 jalapeños, halved and seeded; 1/4 c. fresh orange juice; 1/4 c. plus 3 tablespoons fresh lime juice, divided; 1/2 small red onion, finely chopped; 6 oz. tortilla chips; 1 can (15-oz) low-sodium black beans, rinsed; 6 oz. extra sharp Cheddar, coarsely grated; 2 plum tomatoes, seeded and cut into 1/4-in. pieces; 1/2 c. fresh cilantro, chopped; Sour cream and guacamole, for serving