{"id": 5249, "prediction_verbatim": "NVDA outperforms SPY by >0.8% over next 48h", "created_at": "2026-05-18 03:41:15", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-20 03:50:46", "chain_hash": "1c16b8826d6b4417c8a443623e5ab5fdcbe781e3624a5fe3e9adb687a6e4eb1c", "chain_tx": "3F6b1h8Bx27F3YK1zQMjw4rkq9sbhvyxNxEtnbJkhVBkhX7AJsPVDAMQBmtCjBFHtgE1fsLwHLzMLcJj9FDYgSsf", "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."}