{"id": 3651, "prediction_verbatim": "10Y Treasury Yield higher in 48h", "created_at": "2026-04-17 14:29:52", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-19 14:38:54", "chain_hash": "2e5755a23cfcd8a2446574334ac4a4ff0d24160e1fd5bbbab0fbd53f26b90ad5", "chain_tx": "3vfxQDp23a26xREtSih29mAf35cF2Qt1d6kd9FPZ71Y6Rqqi59WcAVKLMXB9eCvLGD5G2k3iqvN5t38rYtaj5L6U", "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."}