Yes, you may click on the XP container located in your profile drop-down menu, accessible by clicking on your avatar on the top right of the top navigation bar (just to the left of the green Submit+ button). On the bottom you will notice a green bar, and clicking it will take you to your XP History area, where a daily tally of all your points is available.


This page essentially serves as a receipt of your experience points, including all additions and negations.