{"id": 4161, "prediction_verbatim": "NVDA and MSTR combined outperform QQQ by +0.4% within 48h", "created_at": "2026-04-29 16:39:23", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-01 16:39:59", "chain_hash": "7d7a64e3ecac2f7159607dea72c4605efc687c568f18ae9fd3de7601cc81828f", "chain_tx": "3P4fqJ4fSYR3vhpwt8assy7hfsyMSDUK8UCcSG6j8vdgrs2QPXXTwnQ8akZ1wBVniWqGXHYnxvUHcG1wUwgKWhLF", "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."}