{"id": 3934, "prediction_verbatim": "NASDAQ Composite lower in 24h", "created_at": "2026-04-24 09:09:28", "direction": "down", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-25 21:09:53", "chain_hash": "76cec662628fc06bc97f0dc449b22e2da553fd1a57d5885b11bf9f1538330343", "chain_tx": "3nMd4LdpFSynRRTQuHkMK8vdbFSP9iLZRa9GsAooEsGHA2vY4XqXpuY1gXzr5iZfRYPAjwpqmJx3hP8sPAbyskrD", "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."}