{"id": 4160, "prediction_verbatim": "XLK (Technology Select Sector SPDR) outperforms SPY by +0.8% to +1.2% within 48h", "created_at": "2026-04-29 16:39:22", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-01 16:39:59", "chain_hash": "c530dc8d67cb7d95f86df130f4b49dffea358a124ed26fb30f1fdaa812f2bf00", "chain_tx": "4xzmwKaLijWh7f5BaRiZUakUjHQnKKyGaouX1ivXKu7ZLUs3jwgpus9NEqUwbBm8XLTeJiqVnbMQ8mAKzCfat38f", "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."}