Did you take a picture of your “I Voted’’ sticker in Boston today?

On Tuesday, residents in 12 states headed to their local precincts to vote in the presidential primaries; “I Voted’’ stickers will be distributed in certain places to those who fill out their ballots.

Polls opened at 7 a.m., so plenty of people have already voted in and around Boston — and they’re taking photos of their voting tokens to prove it:

A photo posted by Pamela La Chilena (@msmodernmuse) on Mar 1, 2016 at 6:21am PST

A photo posted by A N I S A (@anisaa_xo) on Mar 1, 2016 at 7:23am PST

A photo posted by Regan Communications (@regancomm) on Mar 1, 2016 at 8:54am PST

A photo posted by Kate Sedrowski (@camera_kate) on Mar 1, 2016 at 6:23am PST

A photo posted by W00DS (@sdw1216) on Mar 1, 2016 at 4:53am PST

(Yes, that is a Boston Police officer.)

A photo posted by @matamorosj on Mar 1, 2016 at 4:51am PST

And nothing screams election day in Massachusetts like this photograph:

A photo posted by Shaleen Title (@shaleentitle) on Mar 1, 2016 at 8:48am PST