{"id": 2845, "prediction_verbatim": "The probability of a US Federal Reserve rate hike at the next meeting will increase.", "created_at": "2026-04-07 05:44:35", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-09 05:53:30", "chain_hash": "9183a68bf3371789d5b70e9badcc2b3f3029ea363577a75868be804b5508b6ea", "chain_tx": "4ntUdUqwS5bmToksxwJTEbSrctJp4pzfnTrYupUX6HbbB61mbz7XCzQuHuv4hkjXRLm37b5m4YyBaDgH87W4z8Sq", "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."}