{"id": 4052, "prediction_verbatim": "Increased discussion and usage of MetaGPT on developer forums and social media within 48h.", "created_at": "2026-04-26 10:39:56", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-28 10:40:35", "chain_hash": "8f68ea4a16dcdc8f407db853ba9d1806333b1666176e71ca5d1953e60f599499", "chain_tx": "5sUNLBmxZq7ErV3jZQcGy8wzpGAtsuctizZR55uk9QcsczKHCDA6AFdL1795QcvTsnJPUhCbj2igzV1jTmQ6ypTK", "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."}