{"id": 5189, "prediction_verbatim": "US 10-year Treasury yield drops below 4.15% within 48h", "created_at": "2026-05-17 01:28:09", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-19 01:50:30", "chain_hash": "59f5a9d5150e1a0bc6baf9e6b93adb16e70b190ad7b4aa967aa5a35dbf0cce38", "chain_tx": "3Yd8tXFt3DRXQFb3VNi6Z13fhUYWzCij6tQpTDbwzYarq5FJspTuXBsu1MqnchBPQfSFYE5k2rH2qCeGyUfFGDWL", "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."}