{"id": 4017, "prediction_verbatim": "BTC higher in 48h", "created_at": "2026-04-25 21:39:48", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-27 21:40:20", "chain_hash": "738faf2fa40edbaee5998c69ff2fad691ed3b968aa679a9f6ab96c32644bacd9", "chain_tx": "5webqR1BH5dZSb8SgmAjfZmXxj6SjyzNGoknrMCBm6kPgX3LoRYPC4hDedq9dwZmQDNkNqizrU9DaeGsGUKwWiNS", "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."}