Sure, make sure your build is reproducible then use something like act (open source github actions runner) to build the executable, submit the hash when you're

Sure, make sure your build is reproducible then use something like act (open source github actions runner) to build the executable, submit the hash when you're done. Basically what you're describing is reproducible builds. The crypto stuff won't work because homomorphic encryption doesn't work, and neither do trusted compute platforms.