{"id": 4051, "prediction_verbatim": "Gold higher in 48h", "created_at": "2026-04-26 09:39:56", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-28 09:40:34", "chain_hash": "f1ed5305cb3101c09efb8a86ec3a1d10a63bcfb2e7428e14edc33cf8af5172a6", "chain_tx": "M8f6mgeHhqhNdKjnv7duFLfaUGE5NokTecLSiX67et1RNCiDZHfvRSv6KJMXS8twjSXpXvFxb5u153hyKtWKFTq", "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."}