{"id": 4518, "prediction_verbatim": "Alphabet (GOOGL) underperforms S&P 500 by >1.5% within 48h", "created_at": "2026-05-05 21:10:28", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-07 21:11:14", "chain_hash": "f6c65a32dd75686e25383b16191b0460c739defe239808f368961871d04b0512", "chain_tx": "47yRsLksAZ7NHksb9XznUSkTZJr5Kn1Hqat2gKxn66VnLzMd7A9jq2JS44DAiY8X8QQ3zrP2f62iTCEDAr7vhgC", "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."}