Speaking of sous vide...
I've done some sous vide seed germination...it works a treat.
And there's the following, from our friends at Cornell University...
Chart here: Managing Pathogens Inside Seed with Hot Water
And this from OSU...
https://kb.osu.edu/bitstream/handle/1811/84555/1/Moodispaw_Research_Distinction_Thesis.pdf
And this from PSU...
Hot Water Treatment for Tomato and Pepper Seeds