{"id": 3773, "prediction_verbatim": "Sentiment around AI in the tech industry (as measured by a composite index of relevant Hacker News posts) will be more negative in the next 24h.", "created_at": "2026-04-19 13:38:51", "direction": null, "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-21 01:41:17", "chain_hash": "87c97fca504f463f4f452bd8f670e1ebd270f491c806beaabe5cbb28d46e9efc", "chain_tx": "5Sb5dXouj7WQchVXydabdCTYCvXTn18UYX5S5Jt6XCtFNufMPyrsfZfJANN2tybGvHFBKL7YuAQGnVTQ8gHXrHTT", "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."}