HI Sutton in the past clarified that his cutaways are always speculative, but based on whatever can be glimpsed from footage, reported claims plus general characteristics for a given type of submarine (SSK, SSN etc).
I am not going into possible PS nature of the image, but there are various other details different from previous 093 subs. The leading and trailing edge angle of the sail seem different. The rear fin seems to have a more curved base. And the notch in the sail, Frankly, looks to be too fine to be random damage.