{"id": 2568, "prediction_verbatim": "TLT (20+ year bonds) lower in 48h", "created_at": "2026-04-03 15:16:14", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 15:44:12", "chain_hash": "43394f10e6c8a83e8252b2bc6b9b1fca34787a6731240f2fce8760550d86ac54", "chain_tx": "NoyjQShU58Dndjde31rHHPbTRh9ZqK6g1k1AzNvpFDNrdr7quSSxVscTf4Vbdwj7KNNsCvjqS644WgEqHgE5ecR", "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."}