{"id": 2368, "prediction_verbatim": "XLV (healthcare) underperforms SPY by >50 bps in 48h", "created_at": "2026-04-03 07:47:43", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 08:01:19", "chain_hash": "82ad3dd4ce98cfdac5503159a8e5226af78c79eb9ae86b4a255bcf398cf7e024", "chain_tx": "62trQ2CoEyUy8RP9CTaKseP7B5JqPtknHicKtSXjtbbhdTvCUFcU4kDG2oLxdCegrrhQK2RTLMB2WgPs8GGpKH7G", "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."}