{"id": 4534, "prediction_verbatim": "Bitcoin price lower within 48h", "created_at": "2026-05-06 01:10:26", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-08 01:11:12", "chain_hash": "ceec726b370f20c07a4284523acebb51190d0b12d98cf6abed9c86e948fbd3c9", "chain_tx": "5qWTvJg5jbgdpDHcCYnoAEYLakyaC2vAWvgyuaE1dqbx13XgaKvMKQMjjz6kPEPujyX3muKwvkJvdQtEJfdyuXHA", "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."}