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Featured in Domain Arrivals · 2026-08-16

Claimset, the stale-citation detector

claimset.org ↗ · Developer Corner · score 87.0
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

Claimset is an open format and command-line verifier for checking whether published claims still match their cited sources.

Why it surfaced

Its claims.json files record the exact sentence, source URL, check date, and expiry date, then report results as PASS, DRIFT, EXPIRED, or WEAK. The site also publishes its own claims for verification, making its central principle—“Check me, don't trust me”—testable rather than merely advertised.

The 240-Material Organ

August 16’s newborn domains include a 240-material perfume organ, a repeatedly saved JPEG cat, a ski tracker designed by a 15-year-old, and a searchable page claiming to contain 148,303 prescription records.

This is one of 1,000 discoveries in the 2026-08-16 Domain Arrivals issue.