If you're looking for one of your submission receipts, you can find them quickly and easily, by logging into your Bonfire Vendor Account and clicking on Submissions in the upper left corner of the screen:

From there, you'll have the options to view Work-in-Progress (submissions you can continue work on), Completed (submissions you have finalized) and Missed (submissions you were working on and did not complete prior to the close date/time):

You can use the Actions drop down to continue your work (Work-in-Progress) or view your submission receipt (Completed). You can also resend a copy of the confirmation email to your inbox after clicking into the project whose confirmation you'd like to view or resend an email for: