For background: https://manifold.markets/Quroe/how-many-jelly-beans-are-in-this-ja

Day thresholds are midnight UTC+0. Will resolve based on the publish date of the youtube video and/or social media post where the count is first officially announced.

I believe Veritasium has a newsletter and patreon - I don't subscribe to either, but if the news breaks there first it will count towards resolution, if there's reasonable evidence for it.