Press the firm tofu to remove excess moisture, then cut it into small, uniform cubes.
Rinse and drain the canned chickpeas thoroughly in a fine-mesh sieve.
Use a vegetable peeler to shave the English cucumber and carrots into long, thin ribbons, stopping when you reach the watery core of the cucumber.
In a small mixing bowl, whisk together the rice vinegar, tamari, toasted sesame oil, grated fresh ginger, minced garlic, red pepper flakes, and sea salt.
In a large salad bowl, combine the cucumber ribbons, carrot ribbons, tofu cubes, and chickpeas.
Pour the dressing over the vegetables and protein, tossing gently to ensure everything is well-coated.
Sprinkle the hemp hearts, pumpkin seeds, and black sesame seeds over the top of the salad for added texture.
Garnish with thinly sliced green onions and serve immediately while chilled for a refreshing crunch.