{"id": 4707, "prediction_verbatim": "Bitcoin price lower in 48h", "created_at": "2026-05-09 02:11:30", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-11 02:27:28", "chain_hash": "f4969a5c0da93308a3281daba3eb96b7e630862e32bf81ae4f33327176dc3572", "chain_tx": "2ssYaMaNevFpEMn4f8DmJWKPD47jPJypsSqD947xfq9t4yttPYQeQJe2S1gVGQkiu7oHg4KYDwe1Fk4FChi5BuMz", "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."}