{"id": 4333, "prediction_verbatim": "VNM (Vietnam ETF) outperforms XLE (Energy ETF) within 48h", "created_at": "2026-05-02 10:14:48", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-04 10:15:46", "chain_hash": "ad360143b3a58b52060badd534d713c055c5804b298fb3a3e2e2cc513681e6c5", "chain_tx": "2dqsAnV7q2mdz7aSvLpDAx6HEhtiezmV9tPx2pV4UVSAaUTdZzjVyXGBT29Z4oi8VbAq3PwKsci3H4wt1zyK5a2d", "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."}