{"id": 5254, "prediction_verbatim": "Oil prices (Brent crude) will remain elevated or rise further within 48h if Trump makes additional public statements on Iran/Middle East negotiations.", "created_at": "2026-05-18 05:41:16", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-20 05:50:41", "chain_hash": "ae45cf921e7d083353974b30aa6602f08d8a12dc2677aa01eb49883430e29f28", "chain_tx": "LJy4jgJWqcivNARoJv2bod7RYwY2JQHL9EAipLWBZiTDVM39YCnPqZkFhRcnGVUzGFuFnjVm46JYY2ze7CrWNCP", "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."}