{"id": 3122, "prediction_verbatim": "Tech sector (XLK) slightly higher in 48h", "created_at": "2026-04-10 15:53:46", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-12 15:54:26", "chain_hash": "bfec3ed313b76eaeb158f17b6b53dbd1e5ffba952bcfeb84a75a83cbf171c178", "chain_tx": "3F9x4oVBnxg7sBDPEEwgrNxcsBTEo75bWR6Pvt3Bdz4zhPM4hHEfxP5BRQ2EzreGJabv847UfGHFFxGdQhcsp1UR", "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."}