{"id": 2488, "prediction_verbatim": "QQQ closes lower in 48h", "created_at": "2026-04-03 12:19:00", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 12:44:19", "chain_hash": "c4abfc89cbc087865102910187d48889a4ac591734c91f5509e6752d5a33801d", "chain_tx": "3ptrzstoVAgGGXbLAit82Z6sw12wrkaWojrtEZXUEGoVSP5pL93pMxbwBMomrwAXXXLmRrQcTSCBFi1HdmRFRaMw", "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."}