{"id": 5288, "prediction_verbatim": "BTC/USD closes higher within 48h", "created_at": "2026-05-18 19:41:34", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-20 19:50:53", "chain_hash": "7ec37283bacce17516505a83f2f5f61687920c045e988f5f1a7b96784a5bcecd", "chain_tx": "3HdFaUKa569CKmbKHtcY1XPvka3sJLE5DiT5dkjMKigWtpJwMA78iWV8vRm8eK7DaHeDq1ri9pZKRpywjzgmscz9", "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."}