Bring a small pot of water to a boil, add eggs, and cook for 6.5 minutes before transferring to an ice bath to stop the cooking.
Cook soba noodles in a separate pot according to package directions, then drain and set aside.
Season the pork tenderloin with sea salt and black pepper, then sear in a hot pan with sesame oil until the internal temperature reaches 145 degrees.
Remove the pork to rest for five minutes, then in the same pan, sauté the minced ginger and garlic until fragrant.
Pour in the beef broth and tamari, bringing the liquid to a light simmer over medium heat.
Add the baby bok choy to the broth for 2 minutes until the leaves are wilted and the stems are tender-crisp.
Slice the rested pork thinly and peel the cooled eggs, slicing them in half to reveal the jammy yolks.
Divide the noodles into a deep bowl, pour over the hot broth and bok choy, then finish by arranging the pork, eggs, and sliced scallions on top.