{"id": 4147, "prediction_verbatim": "BTC will be higher in 48h as Iran tensions create geopolitical risk-off, driving institutional safe-haven flows despite crypto regulation headlines", "created_at": "2026-04-29 13:09:14", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-01 13:09:51", "chain_hash": "10e4992574270aa981e80aff886643a9e013b378d0c4c0964236b832ad3b805d", "chain_tx": "6vRwnLkJ9kzb3iM9S9msUz5WvmS9nA7zhoDXTKcUENNeccoGKJoAyPMGZaon1p36HNx8Nfd9J68yCCujvsb79Ft", "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."}