based on your provably fair system, that bet should be a winner because of 9 and 7 both being odd numbers unless you are trying to cheat to get free money from players on your site?
No cheat!
It posted on site:
"Sorry, temporarily this provably fair system not work. After hacker attack, we create new provably fair system.
Game works well and you can play now! Good luck!"
we soon add new provably fair and see it.