{"id": 4436, "prediction_verbatim": "ETH higher in 48h", "created_at": "2026-05-04 08:45:41", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-06 09:10:38", "chain_hash": "4f9e9e9337e5af4d45c3f6bb280b035e7dcff19379b3180868dafa1fe41abf69", "chain_tx": "2EoJTnGCXfc5JXy557B8aTFjCc27ZMsSMtBbJmuVZuunxswNk8oqXWvAFCqo5GbEqw5eJNMtt9GQEzBhs5kow2tn", "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."}