{"id": 4109, "prediction_verbatim": "ASX 200 unchanged in 24h", "created_at": "2026-04-27 05:10:14", "direction": null, "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-28 17:10:37", "chain_hash": "0b0e42f746be43a4fb5f77ab817336c63542cfb8e6cd25ba044cf91ec50d303f", "chain_tx": "65Tg3gfobHpHKFKKsFqnHAzppyXpKmewfXYibvsDKC5ryL8QJZudgEDZSib9BQ9CYDmjCM5vPLzEMnwtAzMhRd7N", "verify": "sha256(f'{prediction_verbatim}|{created_at}|{id}') must equal chain_hash, and the Solana tx memo must read 'workshop:pred:<id>:<chain_hash>' with a timestamp BEFORE resolved_at. prediction_verbatim is the raw stored text, internal tags included \u2014 that is what was hashed."}