So, here you are - published your first item from Receipt Bank but you have no clue where it went in Xero!
You can get the info from your Archive (because all published items go straight to Archive)
Alternatively, you can check the item's history:
Please note that items can go in all three destinations in Xero: Purchases (Bills), Expenses Claims and Bank accounts depending on your preferences. To set up the preferences, navigate to your Account settings -> Integration tab.