{"id": 2556, "prediction_verbatim": "NVDA will outperform META by >1.5% cumulative through 48h as AI compute narrative sustains while ad-tech faces geopolitical headwinds", "created_at": "2026-04-03 14:49:44", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 15:14:11", "chain_hash": "0a1227824e13dba1de7b481c6c40fd5d3f3a86645faa7fa50bf85896e6018d26", "chain_tx": "4K38BskwYYticrW6KXYZns4AWFZq3TkdibkPdnxixH8czcWSkr5241WHSu4nRKwFyqs8G9NfmqgMbJ7qtHaQwBMM", "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."}