{"id": 3258, "prediction_verbatim": "Anthropic's valuation sentiment will be lower in 48h", "created_at": "2026-04-12 17:24:20", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-14 17:44:42", "chain_hash": "dfa22c81c5b1191ed42038e4c0a401f12eabf227cbed1ab54b0b1976aaa54dd3", "chain_tx": "65mSNfUBVPGEcAbiqWk13ZZNZXiXrohVnJjxGBmGZP3LcWfJUG5aKF149wKWQSjSKw4aBDoUgc6y187jiSVLW3DC", "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."}