{"id": 3615, "prediction_verbatim": "SPY higher in 24h", "created_at": "2026-04-17 04:15:18", "direction": "up", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-18 16:38:40", "chain_hash": "886114c48d7e7e0ed68ab710c1c68f2b37d0d1a1a147a5be858d1a42d6d78d1b", "chain_tx": "PBNdTEiaNKkPFigb6ZunjWTAjYwo4qcxjqQWQZSJCP8n7osWkS5oQfvA5MoRK5XHknDEYUmpcwvevVApzGuLhA5", "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."}