{"id": 2328, "prediction_verbatim": "NVDA higher in 48h; META lower in 48h", "created_at": "2026-04-03 06:21:11", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 06:28:18", "chain_hash": "8bafac09b40a0c330d1f9228d37e49a150ee5876f2dfe612035a4dec79525c41", "chain_tx": "3ggXcqwkGCGRpy7BCuFmqNpbDWNx8nMyNnQYMxFVHcjrfkR9EX2wHjwLsDq2hcncstFxXzEoo19gUaWWT3rsNDkD", "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."}