{"id": 3637, "prediction_verbatim": "Average volatility (ATR) of MSFT, AMZN, META will increase.", "created_at": "2026-04-17 10:45:21", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-19 11:08:53", "chain_hash": "b243aa4d8b4fc4d66b7793423c56d852cdcf883c357ce7e0848550921c6f5d0d", "chain_tx": "2UWU1i4LNGJvY5q9g7neHt3vQacwEPRkZVnrMCAN48eGMCAmvdmqpxhKD6iEBNQt4U5BZfpmepVNnu9j6E9nzVjc", "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."}