Hold my beer type post
Hear me out, half baked thought.
What if you just had a docker container that you distributed across a federation of cloud service providers which all run the same container and sent the hash of the output to each other.
Now you should get the hash of the output from all of them to make sure they're in consensus, but I know you'd probably just access the output from a website defeating the purpose of having a federation.
Also why aren't you just trusting the output of 1 cloud provider rather than getting the same output of a federation of cloud service providers? Idk but probably for the same reason you're using Liquid.
But think about it guys. No append only merkle tree, pay for what you use, very efficient, and much more honest about being a federated custodian.