This is not the original Differential Privacy paper, this is an invited talk (I agree with you that it remains a great read). However, the original paper is "Calibrating Noise to Sensitivity in Private Data Analysis"[1] with four co-authors: Cynthia Dwork, Frank McSherry, Kobbi Nissim, and Adam Smith.

[1]: https://people.csail.mit.edu/asmith/PS/sensitivity-tcc-final...