Find a way to prove that the 5 mods were all as a result of optifine, by perhaps contacting the developer, or reading up on it on the internet. Find proof that all 5 mods are optifine, proof we can confirm, and then that problem is sorted.

I’m not privy to the information about how you got your diamonds, but those who are seem sure that you used x-ray. Now, you said you took screenshots, but you couldn’t upload them to Piratecraft because you lacked an account. So, show us those screens, the one’s where you’re being asked by staff; that will confirm, once and for all, if you hack.