{"id": 5331, "prediction_verbatim": "IWM underperforms SPY in 24h", "created_at": "2026-05-22 08:02:30", "direction": "down", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-23 20:03:26", "chain_hash": "defd20d5e816858a54a43df08128bceaf1cb7a46790bf3bd1bf364ec4cca299f", "chain_tx": "2XR5th4C2s6iAaS1D4Y4xJR4F8dzqxFwDKj9v6mXFNzNXd96dNC5jbiR51BK9kjz4jqVHFX426z5DqyDYkxQmvov", "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."}