{"id": 4386, "prediction_verbatim": "Tech sector M&A announcement activity (divestitures) in next 48h exceeds prior 7-day average", "created_at": "2026-05-03 14:44:54", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-05 15:10:35", "chain_hash": "0dd71661714ac7d8b569a468f80a65780f5c7b31ba691c063b7f7db7f3c98e83", "chain_tx": "2CLpALVr1pKUpm7yNKyQPBTC1T8EcdNdR1W6Be9QoNMDjaGCGjG1YTHtQd9LAQweHSYryne1JTKg2NRh1ynCDC8o", "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."}