{"id": 4667, "prediction_verbatim": "COIN closes higher within 48h", "created_at": "2026-05-08 10:41:11", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-10 10:48:02", "chain_hash": "6a1d7a2d23ec27d59e7ac77d31e23ea1f0fef95f818fc0bf6884e0266445aa8a", "chain_tx": "3AYtyQ7vwxWixHAsnxJegGaKmdSdfVM3fxPnAxsiURGYhYXE5vGfS7DVnJRiT87EVcszMSnR9SkAVfryaZeoA6VE", "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."}