Artichoke and Tuna Panini with Garbanzo Bean Spread

Name: Artichoke and Tuna Panini with Garbanzo Bean Spread
Ingredients: 1 (15 1/2-ounce) can garbanzo beans, drained; 2 cloves garlic; 1/4 cup fresh mint; 2 teaspoons lemon zest; 3 tablespoons lemon juice; 3 tablespoons extra-virgin olive oil; 1/4 teaspoon salt; 1/4 teaspoon freshly ground black pepper; 1 cup pitted black olives, finely chopped; 2/3 cup extra-virgin olive oil; 1/2 teaspoon salt; 1/2 teaspoon freshly ground black pepper; 2 (5 1/2-ounce) cans Italian tuna in olive oil, drained (recommended: Flot); 1 (13 3/4-ounce) can quartered artichoke hearts, drained; 8 mini baguettes, sliced in 1/2 lengthwise; 2 cups arugula; Special equipment: Brown parchment paper for wrapping the sandwiches