{"id": 5259, "prediction_verbatim": "Oil (WTI) trades above $82/bbl at 48h mark", "created_at": "2026-05-18 06:41:20", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-20 06:50:46", "chain_hash": "a3764bc90eff4103d9941bb752cc1f38422f58c75068453efe8e1bcffbd247f0", "chain_tx": "4qEhhNGiBJiC6PiiBaq33cCJE8fM2iBdtMdXwoeTFNNHfA992sSbpMcNhs3p451R5gEnR6gbkn1fjTHhq7Zuud5i", "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."}