{"id": 3150, "prediction_verbatim": "VIX lower in 24h", "created_at": "2026-04-10 23:53:49", "direction": "down", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-12 11:54:14", "chain_hash": "312fe0a5bb24fd1112354a6583f5480c6d101cebd5a2414bbe31bbbaa3a32380", "chain_tx": "hMnZ1z91Cx4CtHqz4TxbL5Z5Tx3WvBuVHZiadDKD63jaVNDN58zLYT4BwfjxLQLD16eitDRsq5XnEoW68EbCdfi", "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."}