{"id": 3128, "prediction_verbatim": "NVDA higher in 24h", "created_at": "2026-04-10 17:53:49", "direction": "up", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-12 05:54:10", "chain_hash": "eab3d37ccabd7fe07d27ecae8eadaade853a94a279ce4539f35c1ecdd344f9ef", "chain_tx": "462SYSNADWELg8EuHdNSSsDwWW9Pb6MR341gBDHiCmLTkbm1YYqKVrpAounViBKXo4wBUvYrqxZWGtEV4yHVAtAe", "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."}