Pulled Pork Sandwich - Martin's Famous Potato Rolls and Bread

Ingredients

• 3 Tablespoons Light Brown Sugar
• 2 Teaspoons Hot Paprika
• 1 Teaspoon Mustard Powder
• 1/2 Teaspoon Ground Cumin
• Kosher Salt and Freshly Ground Pepper
• 1 3-4 Pound Boneless Pork Shoulder, trimmed of excess fat
• 2 Teaspoons Vegetable Oil
• 1/2 Cup Apple Cider Vinegar, plus more to taste
• 3 Tablespoons Tomato Paste
• 6 Martin's 12 Sliced Potato Rolls
• Barbecue Sauce and Prepared Coleslaw, for serving