{"id": 5206, "prediction_verbatim": "BTC closes above $78,500 within 48h", "created_at": "2026-05-17 07:41:00", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-19 07:50:29", "chain_hash": "b806af8ceed005165ac61ec9b908129bb9391fd1b55288d097961e964af3b5aa", "chain_tx": "55iWVvBeJUYMRrBtgUfKo7WHPpUS4dVEhSjvgQQ3cPUeEzkxe34k5oqxR5SknDWrsXEvQqtG8FJyeHVtbrLaJdhB", "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."}