{"id": 5082, "prediction_verbatim": "IWM closes lower within 24h", "created_at": "2026-05-15 01:40:38", "direction": "down", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-16 13:41:13", "chain_hash": "30bba27f006cd5339b5d09502f7033199f6ccb3274ae67f22d587d90e2f9b806", "chain_tx": "32TxPAkupURVyJgJexn5nqudbMqjZJLTmZvHvUSFWZM5KLkT5wTn5cghYF3UtYi2UhMPVPYB3er6CVELgCKYvmTx", "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."}