Smoked Brisket with Dry Rub (Paleo/Whole30)

Name: Smoked Brisket with Dry Rub (Paleo/Whole30)
Prep time: 480 min
Cook time: 600 min
Total time: 1320 min
Ingredients: 6 pounds brisket ((trimmed with 1/4 inch fat cap)); 2 tablespoons fine sea salt; 1 tablespoon pepper; 1 tablespoon garlic powder; 1 tablespoon smoked paprika; 1/2 tablespoon cumin; 1 teaspoon cayenne pepper; 1 1/2 cups broth; 1/4 cup apple cider vinegar