{"id": 4734, "prediction_verbatim": "Bitcoin price lower in 48h than current spot", "created_at": "2026-05-09 15:11:28", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-11 15:26:12", "chain_hash": "a654d6ff64ae1428744d09f5f383c5afd2bdc3c82999aacf8540dd80a874bb0e", "chain_tx": "2eJc6fAoRZBrrsg5YnLSiazv66442B6AqgVQLeyTuHR8ypYB1SaWXHyZu3oJzq72S1eN2uKDpAZx3kHnLsPFSgTX", "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."}