{"id": 4552, "prediction_verbatim": "BTC volume will increase within 48h as institutional inflows respond to State Street's security demand signal paired with Kraken's IPO/MoneyGram announcement.", "created_at": "2026-05-06 09:40:41", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-08 09:41:19", "chain_hash": "cedcf6ae7dcabc2f318eed23bda125f06d13cc8c0ed3006df2fa32785633bf5c", "chain_tx": "iSwRFaWGQR2DnRtLENahjvXPMVGNDmsPouq2V5qTMx4hRrRHiYNKg7e6PWcQZqNLLFjV6tZTTCZps2MTaVPDy66", "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."}