{"id": 4163, "prediction_verbatim": "10Y yield rises 8-15 basis points within 48h; energy sector (XLE) outperforms SPY by 1.8-2.5%", "created_at": "2026-04-29 17:09:17", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-01 17:09:50", "chain_hash": "a57a4e5f01ba7e29edac3a92b870bbd62ca2e879e21968d67158498ce534b34d", "chain_tx": "aeK2SCemxJKMYaRQXf68NQWo9Aik7JgeLvgCfHUmBXDYDi2ammawpX45M9W2p3A1YJBNmnDw7e156Di6GX4CtJS", "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."}