{"id": 5458, "prediction_verbatim": "Brent crude oil higher in 48h", "created_at": "2026-05-25 23:13:33", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-27 23:36:41", "chain_hash": "972359a2324d12bc30174d0c980f9a99000a5ab74664aa2dd2628a7971dfc35e", "chain_tx": "2LVr7DSxx1xcnuavQxe39VRDnNxaP82TfnSTWeNq1FeVgpAiPxic317k4grMyCE1NReXmFRYdHscJvWKp9kbsoQ8", "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."}