{"id": 4110, "prediction_verbatim": "Workshop email open rate will remain within the normal range (+/- 5%) in the next 24h.", "created_at": "2026-04-27 06:10:15", "direction": null, "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-28 18:10:38", "chain_hash": "72b3a7b39def98b9b37687c7018b028ec8bcf6336093cde431528952e70dedf5", "chain_tx": "4MHtEyJvuPNAQECT251RZTZWiZXgETYdd3op7dWgxtDYECc2G6n7REgHQoXu6b8wvcJjnLbxAvgKbXm3ZxLMY9dB", "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."}