{"id": 4689, "prediction_verbatim": "COIN equity price lower in 48h", "created_at": "2026-05-08 18:41:11", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-10 18:47:52", "chain_hash": "70f47bb4e79d1f285f1dc785a1348c444c7ec73f169ba63d50a1131d8c1073b6", "chain_tx": "4aJNctPJVpZjzYSZUPPZFZcE8ScSYr5dbQoD25cFgaAstR7apr9dLWHCBTdBRFFyaQkrWwPvDS2zCpUsqNezr3hR", "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."}