{"id": 4322, "prediction_verbatim": "Robotics sector ETF (e.g., ROBO, IRBT) will trade higher than previous 48h close", "created_at": "2026-05-02 06:06:20", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-04 06:15:41", "chain_hash": "1334f456a1edd0d9efc2a9af1efff38254b68de9f44d01a71f24ee03b3ef51ea", "chain_tx": "2DFJrF3w4A4taCQo6tEjKT7Z4EqSHeiivQaPzAskT3BHFatJsysYm5hNLTLYMSWQEwNdVrR19JQn7D8D7UyDzdVr", "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."}