Your screenshot/PDF is kind of worthless since it's trivially editable. Still a good idea to have it.

Banks are required by law to be able to produce account balances in a few days. In some countries the are required to submit them to account protection institution regularly so that if a bank fails they can quickly reimburse people to prevent panic spreading to other banks.

You can probably request some sort of notarized proof of accounts, but it will probably cost you $100.