It was a good attempt. But not.
Internal contract transactions, as well as internal addresses, are internal service operations in smart contract and are not relevant to external accounts.
This transaction does not prove anything. The proof can be a transaction to a predetermined and named external address at the agreed time with an exact agreed amount.
BitCAD - 100% SCAM

We expect your proof on the published conditions before the end of the current calendar date by UTC (GMT).