| Clue | Source | Date |
|---|---|---|
| Typed one's name into a form, perhaps | ||
| Typed one's name into, as a document | ||
| Approved, as a PDF contract | LA Times Daily | 10 Sep 2023 |
| Digitally endorsed | New York Times | 23 Apr 2019 |
| Digitally endorsed | ||
| Digitally endorsed | LA Times Daily | 27 Mar 2016 |