The stack exchange question "Is there any concrete-solid proofs of this space odyssey?" made me want to edit it to remove the s in proofs (someone with enough flair did), however it made me wonder about the plurality of any and proofs.
So please enlighten me about which one is correct.
Is there any concrete-solid proof of this space odyssey?
Are there any concrete-solid proofs of this space odyssey?
If the asker wants to hear about at least one proof, the first one is OK, but what is correct if he wants at least two pieces of evidence?