{"id": 4736, "prediction_verbatim": "BTC closes higher in 48h. Stablecoin legislation narrative + COIN insider positioning (8-K material event) signal near-term crypto risk-on sentiment despite earnings miss.", "created_at": "2026-05-09 15:41:30", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-11 15:56:16", "chain_hash": "37db5d2ddbf31ebdad10fd8978e42c7bdedce811794b307617db15218faa1cdc", "chain_tx": "FTGjzAAtnS2Bgt9cdzGtdpHmTfyfXFRjCRUgDPMqgHivyH2L51qjkW2sQ9YMroev75uBkRFqyZvzoA9VynmC1wm", "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."}