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John Whiteside

@whiteside.io
Building @atexplore.social. Tinkering with the AT Protocol

👨🏻‍💻 Software Engineer 
🍕 Pizza Connoisseur
📍 Flint, Michigan

Updates: @now.whiteside.io
Signal: whiteside.io/signal

 whiteside.io • atexplore.social

Running my site on the ATmosphere

Rethinking my website’s content architecture with the AT Protocol.

Dec 24, 2025

Launching Verification on AT Explore

AT Explore now supports profile verification, giving users a simple way to see which accounts are authentic. It’s a small step toward building trust and better discovery across the network.

Jun 19, 2025

Expanding Lexicons and Hardening AT Explore

Catching up on the last couple of weeks of work: new Lexicon support for Leaflet, stability improvements, some indexing experiments, and thoughts on opening up an API.

Oct 21, 2025

Leaflet Launch, ActivityPub Progress, and Some Mario Galaxy!

This week I launched Leaflet support on AT Explore, made solid progress on ActivityPub profiles, and started expanding Lexicon support for publishers. Also took a quick detour into the new Mario Galaxy remaster on Switch 2.

Oct 5, 2025

Leaflet Testing and Launch, What’s Next for AT Explore

Wrapped up testing on Leaflet support and got it ready to launch on AT Explore. Next up: ActivityPub experiments and expanding Lexicon support.”

Sep 27, 2025

Building Support for Custom Lexicons and ActivityPub on AT Explore.

Sep 22, 2025
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