{"id": 4951, "prediction_verbatim": "NVDA lower in 48h", "created_at": "2026-05-12 22:32:21", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-14 22:40:45", "chain_hash": "90c7a9028f15fa3aa335c218542955efe39b3a3356be3a5fceed71512ee6d633", "chain_tx": "Zoeym3t7gUru3JqUXBhFdE6FwBkh86stUjEbD1sAVJPmrYSCbshtmw815S9kdDRk8mNuNaacVsHnzh5iQLzp1gb", "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."}