{"id": 2340, "prediction_verbatim": "SPY closes lower within 48h", "created_at": "2026-04-03 06:47:46", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 06:49:15", "chain_hash": "855296cfca6f26fa810a7cd83e5661bd819372e3da9a1c2ec998cf142a265386", "chain_tx": "2dFAJrsAqsPyErNC2jziXRobyxXD8Lre5EvoEdphhPoipixo67VtiBAbndnz4jzHX13oqYMj51DPXuPGTWeR8iQK", "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."}