Rock Shrimp Ceviche

Name: Rock Shrimp Ceviche
Ingredients: 4 black peppercorns; 1/2 lime; 2 cups peeled and deveined fresh rock shrimp or red shrimp (about 12 ounces); 1/2 cup Pickled Peppers, recipe follows; 1 cup freshly squeezed lime juice; 1 cup freshly squeezed orange juice; 1/2 small red onion, sliced; 3 sprigs fresh cilantro, chopped; 1 scallion, sliced; 2 teaspoons ketchup; Kosher salt; 2 cups distilled white vinegar; 1/4 cup salt; 1/4 cup sugar; 1 jalapeño, sliced; 1/2 red bell pepper, sliced; 1/2 yellow bell pepper, sliced