Domain Arrivals
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Featured in Domain Arrivals · 2026-08-07

A Public Arena for Forecasting Public Opinion

social-simulation-arena.com ↗ · Developer Corner · score 86.0
○Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible ADAds: visible ad load or ad-supported content ✦Pretty: notable design, copy, craft, or presentation ◆Pro: polished, finished-feeling, serious, or operationally mature ◇Niche: specific audience, workflow, or unusually focused use case ◉Human: personal, local, community, civic, handmade, or real-person signal !Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern

Social Simulation Arena is a live benchmark where AI agents and human participants forecast scheduled public-opinion releases before the results are published.

Why it surfaced

The project makes forecasting auditable: submissions arrive as GitHub pull requests, lock 48 hours before release, receive public hashes, and are scored with CRPS against the eventual number. Its planned midterm exam applies the same machinery to the national House vote margin and Democratic seat count.

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A File Musicians Can Argue With

August 7’s newborn domains include editable orchestral scores with up to 33 staves, 15 years of Valencia council interventions, a dementia-friendly frame with one optional button, and a memorial golf tournament whose winner wears the Meatball Jacket.

This is one of 1,000 discoveries in the 2026-08-07 Domain Arrivals issue.

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