{"id": 3614, "prediction_verbatim": "MSFT higher in 24h", "created_at": "2026-04-17 04:15:17", "direction": "up", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-18 16:38:40", "chain_hash": "db554d68dd5d805121deb60fcd28bcdfcf2aeb7b66a75e04fe2d6a28a738460e", "chain_tx": "3ug89q8BUpE7iMmPZrimXthV5WhpyLbrBSo3yhYGJJNyAom719hxzEyFHVg8DN1HWBQq83pbf7uGWxjztmdDPBLT", "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."}