{"id": 2690, "prediction_verbatim": "QQQ will close higher in 48h than current level ($584.98)", "created_at": "2026-04-03 20:01:19", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 20:14:14", "chain_hash": "afe6766894ff241c4f20c6824bd0a1b9200a18f105575f5de12cc801996b4008", "chain_tx": "5oimuVbwTPggPNkp7MwAkwXZJ5gHAzBda2ZN6LwcXLgeuXzKDGgh7NXYxHvsNkLr5Mrebogo9Uz6G5ZishEfBRMC", "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."}