The Notice of Electronic Filing (NEF) will show at the end of the filing process. This page states what was done, what time it occurred and who was notified. This NEF will be sent to all parties associated with the case and, once you receive the email, if you click on the associated links, the information should appear.
You can also view the history of the transactions you’ve made in CM/ECF by using the View Your Transactions Log utility. To do this, log in to CM/ECF and click on 'Utilities' feature from the blue menu bar, and then click on the 'View Transaction Log.' On the following screen, enter the date when your document was filed and click on “run report.” You can also view a filing by logging in to PACER using your Pacer login and password and query the case docket.