{"id": 2616, "prediction_verbatim": "SPY closes higher than $655.85 within 48h", "created_at": "2026-04-03 17:10:14", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 17:14:12", "chain_hash": "b8af91b95e0a1ebb6b20cffe3087a8bbdde5ddcc900ea72a91de398bfc54b197", "chain_tx": "2LmXxat7cMm8v6hUzZqtc1xMou8PcFmVpYUag2izhva2UFar8ksaD2gCyDftkB24he6z4uJGodQa7AKJzQtzW8Sb", "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."}