Salmon with Potato Artichoke Hash

Name: Salmon with Potato-Artichoke Hash
Ingredients: 8 small red new potatoes (about 3/4 pound), scrubbed and sliced 1/4 inch thick; 1 can (14 ounces) artichoke hearts in water, drained and halved; 1 tablespoon fresh thyme leaves; 1 teaspoon olive oil; Coarse salt and freshly ground pepper; 1 skinless salmon fillet (1 1/2 pounds), cut crosswise into four 6-ounce pieces; 1/2 cup chopped flat-leaf parsley; 1 tablespoon Dijon mustard; 1 tablespoon white-wine vinegar