Steamed Salmon with Spicy Ponzu Sauce

Name: Steamed Salmon with Spicy Ponzu Sauce
Ingredients: 1 1/2 cups sushi rice; 4 skin-on salmon fillets (about 6 ounces each); Kosher salt and freshly ground pepper; 1 1-inch piece fresh ginger, peeled and cut into thin matchsticks; 2 large heads baby bok choy, quartered through the stem; 4 ounces shiitake mushrooms, stems removed and caps halved; 1/4 cup soy sauce; 1 teaspoon finely grated lemon zest, plus 2 tablespoons lemon juice; 2 tablespoons fresh orange juice; 1 tablespoon mirin; 1 1/2 to 2 teaspoons sriracha or other chili sauce; 2 tablespoons chopped fresh cilantro