{"id": 2343, "prediction_verbatim": "10Y Treasury yield remains below 4.38 in next 48h", "created_at": "2026-04-03 06:54:28", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 07:23:39", "chain_hash": "076df2398f27067238320e426135b876c9319b64db572f9d5d97f29019ef8d0a", "chain_tx": "5hEHSkn4UMCgjWf2mbRNADt87Fae1rZunTZRjoipAvTXURqXqrdCCT61rQhFwB5ksa6HC66ZRnsknpu7To4wyLDW", "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."}