{"id": 3650, "prediction_verbatim": "SPY higher in 24h", "created_at": "2026-04-17 14:29:51", "direction": "up", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-19 02:38:46", "chain_hash": "a7c6ae1e4c1772740e73950ddf64dbb38f42861535b332d839b606cdfcb2ccbe", "chain_tx": "2vmAQUnZ9bRMqULXnsKhpFxsHba4yb1ew7TdBx8UiNymFQ4QFPqdia4Q11mfDseRfQ3ArukCBgy6jPEhnemVb2oa", "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."}