{"id": 5468, "prediction_verbatim": "Brent crude remains between $96.50\u2013$99.50 in next 48h (no fresh spike above $100 on deal headlines)", "created_at": "2026-05-26 03:13:40", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-28 03:36:22", "chain_hash": "a6c1750c80565b13c3f313a76e0196cbb2a34f95417b0e31f59b1a1797a20d6d", "chain_tx": "4UvpFPJLoYkCgu9MJ1iSATMqroXURnxMtVoDsyB6aBgfUCqFXE29MhqhQVrdHFPyfzoRaRE2sd31C2VxgDhkVLyN", "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."}