{"version":1,"start":"2026-09-08","notional":10000.0,"cost_bps":5,"status":"pre_registered","registered":"2026-09-05","last_price_date":null,"trading_days_since_start":0,"prices":{},"llm_decisions":[],"runs":[],"arms":{},"note":"Pre-registered on 2026-09-05. The first computed ledger is written by .github/workflows/agi-paper-ledger.yml on the first trading day on/after 2026-09-08. Nothing is backfilled."}