{"id": 4519, "prediction_verbatim": "Bitcoin closes below $65,000 within 48h", "created_at": "2026-05-05 21:10:29", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-07 21:11:14", "chain_hash": "ccf3f0955eb5a5dc56a0e033d9bed79eff3fdc25ba02c919f749b7fbc93e0159", "chain_tx": "5MZ314jYskbnkipngvMrbmFVoojvMBWVAbg5Y97mjB9sskGj9VdMGXyGdAxka2m4bBg2BsKgYW5SFNzX8CbxQj89", "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."}