Ramen Noodle Salad

Name: Ramen Noodle Salad
Ingredients: 3 tablespoons rice vinegar; 3 tablespoons soy sauce; 3 tablespoons tahini; 2 tablespoons toasted sesame oil; 1 tablespoon granulated sugar; 1 tablespoon sriracha chile sauce; 1 teaspoon grated fresh ginger (about 1 [1/2-inch] piece); 1/4 teaspoon grated garlic; 2 (3.7-ounce) packages instant ramen noodles, seasoning packets discarded; 1 cup baby arugula; 1 cup thinly sliced napa cabbage; 2/3 cup fresh corn kernels (from 1 large ear); 2/3 cup thinly sliced sugar snap peas; 2/3 cup cherry tomatoes, halved; 1/2 English cucumber, cut into 1/2-inch-thick matchsticks (about 2/3 cup); 1 (8- x 8-inch) nori sheet, cut into 2- x 1/4-inch strips (about 1/4 cup); 1/4 cup thinly sliced scallions (about 2 small scallions)