{"id": 4064, "prediction_verbatim": "Sentiment around AI on Hacker News will become more negative.", "created_at": "2026-04-26 13:39:58", "direction": null, "timeframe": "24h", "score": 0.7, "outcome": "Mostly right - Several Hacker News summaries indicate negative sentiment towards AI (data breach, usage-based billing, agents deleting databases).", "resolved_at": "2026-04-27 19:40:22", "chain_hash": "80b50b385f0009f2f6bac7b0a27e1d9c96162c5c3c92c9fa60b412374cae53e1", "chain_tx": "Q96b2XXqTMpPmCyKJKee58XfFpKyHhK7kzN27twaP2TwSk2nwSzxaWU9wCzrYbk57Z2nYcmwke2uH6bj8QMs3jL", "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."}