{"id": 3088, "prediction_verbatim": "S&P 500 higher in 24h", "created_at": "2026-04-10 04:23:38", "direction": "up", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-11 16:24:06", "chain_hash": "b294aa384f24c34d8310bc89d3d4761a054f6bda44f00053ca4fa311a50a1b5e", "chain_tx": "5dU1wLDcGAxgt7691GUFUvWwZDs2MsM16c5QyM5Jjqxj3Z8LAk9akkiAHjkpoi7dMuvWvDioSZ7rj3aWPM36pK3c", "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."}