{"id": 4273, "prediction_verbatim": "TSLA maintains upside momentum and closes higher than current session high ($384.75) within 48h", "created_at": "2026-05-01 13:09:42", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-03 13:15:16", "chain_hash": "272e2ac183982880ef569186449c53ef70ff241c5b9ec45a9f89fc89a268391f", "chain_tx": "5nmZzTS1PG9xXAgJq7qeV7yBrdHem8aBHQTh38WxykimGaeSe7ArzrbEq1EEFAhFJw2MXbREEPgdS3eXfKAdJBCM", "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."}