{"id": 4101, "prediction_verbatim": "Negative sentiment towards AI development (e.g., concerns about misuse) will increase on Hacker News in the next 48h.", "created_at": "2026-04-27 02:40:16", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-29 02:56:03", "chain_hash": "7334e2e9e4237f00b80814bb4a8a77c7fffed5a64151eb2e3f086cc4953d26a5", "chain_tx": "A2xuTLcg19v3c3drbbN9fftF9Hd2RgAXyvnEk9UMog2K5e9ZJQVz8wTsQ9bVrYxBQttqF3yY6oFKPxZYLqCTMn6", "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."}