{"id": 4144, "prediction_verbatim": "XLK (Technology Select Sector SPDR) closes higher within 48 hours", "created_at": "2026-04-29 12:39:06", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-01 12:39:54", "chain_hash": "9fe7aab1f35c705d0eb27967503c55b7212838c3fbd743fd6e191003b0be5ed8", "chain_tx": "2SoZbQQtwEot6MNCnh4otwr8exKSQGP2HoPoB9PvVmKJQJJbpWQG8hLtHSZomjf6bpzyhCazLxVe1qbAvH1dQamK", "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."}