| # | Name | Town/City | S/C/P | Region | Comment | Date |
|---|---|---|---|---|---|---|
| 501 | Matthew Kann | Half Moon Bay | California | USA | View | Nov 22, 2016 |
| 502 | Katherine Crowley | Winterport | Maine | USA | N/G | Nov 22, 2016 |
| 503 | Stephanie Wolfe | Hatfield | Pennsylvania | USA | N/G | Nov 22, 2016 |
| 504 | Marcia Ishii-Eiteman | Oakland | CA | USA | N/G | Nov 22, 2016 |
| 505 | Catherine Palmer | Portland | Oregon | USA | N/G | Nov 22, 2016 |
| 506 | Annemarie Schneider | Madison | Wisconsin | USA | N/G | Nov 22, 2016 |
| 507 | Ethan George | Boston | MA | USA | N/G | Nov 22, 2016 |
| 508 | Christopher Pitt Wolfe | Setauket | New York | USA | N/G | Nov 22, 2016 |
| 509 | Anonymous | San Diego | CA | USA | N/G | Nov 22, 2016 |
| 510 | Kara Huggins | Baltimorw | Maryland | USA | N/G | Nov 22, 2016 |
| 511 | Aaron Sachs | Ithaca | NY | USA | N/G | Nov 22, 2016 |
| 512 | Anonymous | Chestnut ridge | New york | USA | N/G | Nov 22, 2016 |
| 513 | Saskya van Nouhuys | Ithaca | New York | USA | N/G | Nov 22, 2016 |
| 514 | Anonymous | Logan | utah | USA | N/G | Nov 22, 2016 |
| 515 | Albert George | Trumansburg | New York | USA | N/G | Nov 22, 2016 |
| 516 | Nerissa Russell | Ithaca | NY | USA | N/G | Nov 22, 2016 |
| 517 | Christian Marvilli | Staten Island | New York | USA | N/G | Nov 22, 2016 |
| 518 | Abigail Hart | Mountain View | CA | USA | N/G | Nov 22, 2016 |
| 519 | Rebecca Larson | Madison | Wisconsin | USA | N/G | Nov 22, 2016 |
| 520 | Emily Marquez | Oakland | California | USA | View | Nov 22, 2016 |
| 521 | Robin Hadlock Seeley | Ithaca | NY | USA | N/G | Nov 22, 2016 |
| 522 | Anonymous | Old bethpage | New york | USA | N/G | Nov 22, 2016 |
| 523 | Christin De Jesus Villanueva | wakefield | Rhode Island | USA | N/G | Nov 22, 2016 |
| 524 | Allison Wilson | Ithaca | NY | USA | N/G | Nov 22, 2016 |
| 525 | Melinda Morrill | Boston | Massachusetts | USA | N/G | Nov 22, 2016 |
| 526 | Thomas Seeley | Ithaca | New York | USA | N/G | Nov 22, 2016 |
| 527 | Patrick Ferree | Claremont | California | USA | N/G | Nov 22, 2016 |
| 528 | Clifford Gonzales | Pueblo | Colorado | USA | N/G | Nov 22, 2016 |
| 529 | Alexandra Agathos | Centereach | New York | USA | N/G | Nov 22, 2016 |
| 530 | Anonymous | hammond | Louisiana | USA | N/G | Nov 22, 2016 |
| 531 | Elizabeth Sanders | Ithaca, NY 14850 | NY | USA | N/G | Nov 22, 2016 |
| 532 | Morgan Mouchka | San Diego | CA | USA | N/G | Nov 22, 2016 |
| 533 | Sarah Teck | Imperial Beach | CA | USA | View | Nov 23, 2016 |
| 534 | Marissa Rose-Weiss | Northampton | MA | USA | N/G | Nov 23, 2016 |
| 535 | Julianne Warren | Newfield | New York | USA | View | Nov 23, 2016 |
| 536 | Evan Herlihy | White plains | New york | USA | View | Nov 23, 2016 |
| 537 | Melissa Terrill | NY | NY | USA | N/G | Nov 23, 2016 |
| 538 | Lisa Bradshaw | Ypsilanti | MI | USA | N/G | Nov 23, 2016 |
| 539 | Brian Rahm | Ithaca | New York | USA | N/G | Nov 23, 2016 |
| 540 | Anonymous | Kenmore | NY | USA | N/G | Nov 23, 2016 |
| 541 | Anonymous | New York | Brooklyn | USA | N/G | Nov 23, 2016 |
| 542 | Anonymous | Arcata | California | USA | N/G | Nov 23, 2016 |
| 543 | Anonymous | Corvallis | Oregon | USA | N/G | Nov 23, 2016 |
| 544 | Lauren Moscoe | Ann Arbor | Michigan | USA | N/G | Nov 23, 2016 |
| 545 | Marya Ahmad | San Diego | California | USA | N/G | Nov 23, 2016 |
| 546 | Anonymous | San Diego | California | USA | View | Nov 23, 2016 |
| 547 | Clifford Kraft | Freeville | New York | USA | N/G | Nov 23, 2016 |
| 548 | Jeff Crooks | San Diego | California | USA | N/G | Nov 23, 2016 |
| 549 | Anonymous | New London | CT | USA | N/G | Nov 23, 2016 |
| 550 | Michelle Sedaca | Boston | MA | USA | N/G | Nov 23, 2016 |
- S/C/P - State, County or Province
- Dates displayed in the signature list are based on UTC/GMT
- Anonymous signatures signify people who have chosen not to display their names publicly
- A comment in gray indicates that the signer has hidden their comment from public view