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Yes, there is. All you need is add Unique ID widget in your form. Here's the guide on how: http://www.jotform.com/help/79-Add-Custom-Unique-IDs-to-your-Form-Submissions
You can also try this Demo Form that I've created to see how it works.
If you need further assistance, please let us know.
You can add a custom ID on your forms by following the steps posted on this guide: http://www.jotform.com/help/79-Add-Custom-Unique-IDs-to-your-Form-Submissions
In your case, the custom ID would represent the unique confirmation guide.
Hope you find this information useful.