{"id": 4443, "prediction_verbatim": "BTC price declines over next 48h", "created_at": "2026-05-04 12:15:37", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-06 12:40:47", "chain_hash": "65fd4e164d1ec2a3c293640b55f3735f7a3a6f1387dc284b8c60945c778129c8", "chain_tx": "3N1Vaygpq9bG7MgkbpKgemRr2Z2ji7bTff9kug5L3vsxmmqJxTj2bk5YpsK1C2chWYsaacy3s5UVSQ4YTVTj9f7r", "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."}