{"id": 4635, "prediction_verbatim": "NVDA higher in 48h", "created_at": "2026-05-07 22:11:09", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-09 22:12:35", "chain_hash": "a45f84755427abebd0c4729621bfebcfc130e4f45d56c575dbb7958b249facd1", "chain_tx": "bNHic2DmUXApKouHqNYnRT9FHXN5PbYyWdHc9LgHsKr8RRnt6z3KY59Vv2DcWHSjDfBp5EGJRvU4h1KRoiM3d2L", "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."}