{"id": 4155, "prediction_verbatim": "Nasdaq-100 (QQQ) will trade lower by close of day 2 (48h window), with larger-cap AI beneficiaries underperforming the broader index.", "created_at": "2026-04-29 15:09:19", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-01 15:10:00", "chain_hash": "39d52a31c9d4c17d6cf5688d2f442359db323c139d2feb0acba75ec68439ba5e", "chain_tx": "5HQNFB3aXkMicNHrnj2X7xMvnMqeAp2HE58UEYAqrcFEYAU1s9LzXQTpNimc5zu5dWbbWUVzDZVmTkvmbUaEKK7j", "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."}