{"id": 3669, "prediction_verbatim": "The tech-heavy NASDAQ index will experience a slight positive movement in the next 24h.", "created_at": "2026-04-17 21:38:29", "direction": null, "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-19 09:38:50", "chain_hash": "9db5cd7fbca4624cf02254093763720c765ebd51af0c0d628e91d2d7c88af1bb", "chain_tx": "3Ree8wokeU9ysm6MM5JXg83wLCzQv5aDJzjoQ21n3UKbEnAAiKiVJTLCqsUbC6bDEENddmaUSkLTn41f2zsqS1Eh", "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."}