I can check SOME results with PSA and get some more info.
I am bad at it but analyzing basic attacks by their events is easy (you'll have to wait or ask someone else for specials in example ._.)
On top of that, I might miss stuff because there are loads of events that haven't been understood yet.
Just a glimpse :
Jab 1 hits on frame 2, the hitbox lasts until frame 4 ; and the move itself can be interrupted on frame 17 if it doesn't hit, +6 frames if it hits (hitlag)
+ some more details : there are in fact 4 hitboxes, and if you get hit by one the other ones seem to disappear (you'd deal 12% on jab1 otherwise lol ; probably an unknown event or something I missed). You can get 3 different launching angles with those. The one that hits first depends on where do you hit. Illiniallex's results aren't necessarily wrong because each of those hitboxes are attached to a "bone", they follow its track ; thus, if the arm is still not completely unfolded on frame 3, it might only hit on frame 4. Lazy sakurai D=
I first need to make diddy's bones list. It will take some time.