{"id": 3649, "prediction_verbatim": "SPY will be higher in the next 24h", "created_at": "2026-04-17 14:15:28", "direction": "up", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-19 02:38:46", "chain_hash": "6bac553d8d6dd86b6dd0628b7b3b84456edb8101db2c6efdfed5744d3e7a2a6a", "chain_tx": "2QnRtbaHo3sKDLqd8N32yXtLiSL8GfXpXmzHskh4CqVuRUJgVCP61mHieU5xRvsqW1vBr8HEDBHaFqUodCBSzr43", "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."}