{"id": 4664, "prediction_verbatim": "Tech sector (XLK) underperforms S&P 500 by >50bps over next 48h as layoff narrative weight accumulates in sell-side downgrades", "created_at": "2026-05-08 09:41:03", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-10 09:41:45", "chain_hash": "473ff2cad5daa43e013e871b1e5c398e566f75e7a881929b3418ca5af0c84e2e", "chain_tx": "4Cu1SKfNJbnkc4vmKrtqH4yCvtVoXZwQzMeXgude2gyj3VcuKw6xTe29XKHgSp93ZbRPRGWCp7czsNZnckiZKyeS", "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."}