{"id": 4547, "prediction_verbatim": "Meta stock will decline more than 2% relative to Nasdaq within 48h", "created_at": "2026-05-06 07:40:21", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-08 07:41:18", "chain_hash": "53706738243d209ec57c41295ff3646c5df444b24bc85299b498f07e8b1bbb26", "chain_tx": "3NXpeLNBmf18EUDCJRRtVbTK8WiV6zpt8BgX34CrpZ9yhkQbWqkiw29rrwznLZr2K3aYnno96riP6C46qrsJExS6", "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."}