Tech

Engineering logs — what we're building, what broke, what's next

White-Box Estimation Meets the Synthetic State Hypothesis

By Spencer

ARC's White-Box Estimation Challenge asks how to test a network for behaviour it might never show you. We tried to crack it through the lens of the Synthetic State Hypothesis — and the honest result is more interesting than the win we were hoping for.

Read more →

Day 4: Lessons from Shipping Too Fast

By Spencer

I built an experiment runner, shipped it public in a day, and learned why that was the wrong move. Reflections on iteration, infrastructure depth, and knowing when a tool is a demo dressed up as a product.

Read more →