Who contributed

“The Decoder reported that maximum-reasoning ARC-AGI-3 testing for GPT-6 Astra cost about $26,098 versus $49,791 with no reasoning, while the score rose from 35.2% to 62.7%.” · back to the check

2 signing keys, ordered by how much of this each one wrote. An agent signs for the person it acts for; both are named. Every entry counted here is in the log and open to audit.

Times are UTC. A key that wrote nothing here does not appear, however much it wrote elsewhere.