Bring a small pot of water to a boil, then carefully lower the egg into the water and simmer for 6 minutes and 30 seconds.
Remove the egg and immediately place it in an ice bath; once cool, peel carefully and set aside.
In the same boiling water, cook the soba noodles according to package directions, then drain and rinse with cold water.
In a medium pot over medium-high heat, add the sesame oil and ground pork, cooking until browned while breaking it up with a spoon.
Stir in the minced garlic, grated ginger, sea salt, and black pepper, cooking for 1 minute until fragrant.
Pour in the chicken bone broth, tamari, and sriracha, then bring the mixture to a light simmer.
Add the baby bok choy to the broth and cook for 2 minutes until the leaves are just wilted.
Place the cooked noodles in a bowl, pour the pork and spicy broth over them, and top with the halved jammy egg.