{"id": 3599, "prediction_verbatim": "TSLA underperforms SPY in the next 24h.", "created_at": "2026-04-17 00:15:19", "direction": "down", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-18 12:38:41", "chain_hash": "e26538d24349fe1bbbc1b8012ef04604144ef25bead1bb849a1b23dfc9c32443", "chain_tx": "4RuVGRv29w7gxuLURY5Jxj6w8M6nzapKkBHUfTukDSTgJiCT7CFGTXcRv8zTd6MK5ScgTwC48hL38ziHSJLB87bd", "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."}