{"id": 3133, "prediction_verbatim": "NVDA higher in 24h", "created_at": "2026-04-10 18:53:47", "direction": "up", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-12 06:54:11", "chain_hash": "d38c9f5e9be8beea0026beceb124a5a62d9f43cf57e012b4af015a65cdec4c6b", "chain_tx": "3PGA7vfbUhM54kRoy2SPTe7CHtgMqCSBUTfVK7qzPijGfYZ1AsHB3APHLv14auhZVyuXuDk4RVcX5oierCP41mjj", "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."}