{"id": 3617, "prediction_verbatim": "NVDA will be up in the next 24h.", "created_at": "2026-04-17 04:45:21", "direction": null, "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-18 17:08:46", "chain_hash": "b78ccb59b51bd2ce738a74d442a512fb6da0a7369a1547cd52edc4788df972d3", "chain_tx": "AsZTGFo2vjjdzXNWfyhq3iTH6ZHhbpgHY8oPt9ZxqR6yuDV8eCezUthwLHTbjs7bcTDsNhpxEfxucPBgnwDSgV7", "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."}