{"id": 4523, "prediction_verbatim": "BTC price higher in 48h", "created_at": "2026-05-05 22:10:34", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-07 22:11:18", "chain_hash": "92f17ee2c561ec13bf6851f146a7fc636240d66a81b7d9ce8584e5c840fa04f5", "chain_tx": "2QbmqXB4KcqxHJKzRgkTbQToTzuqc2C4ELkZsEMvXCWaHH3zfSiWMJYMLWwwTjy6MefGq7HfPEeKQqKmEPZ3JMBd", "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."}