# clm_1FFB45428EBE

subject: Preferred Networks (/record/preferred-networks.md)  
predicate: partnership  
value: ENEOS  
valid_from: 2023-08-07  
valid_to: null  
published: 2023-08-09  
recorded: 2026-11-10  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-10  
cite: AsOf. "Preferred Networks partnership: ENEOS", as of 2023-08-07. Claim clm_1FFB45428EBE, https://asof.is/claim/clm_1FFB45428EBE, accessed 2026-11-11. Source: https://www.preferred.jp/en/news/pr20230731.  
checked: 2026-11-10 · its source page states the value and the date  

> TOKYO – August 7, 2023 – ENEOS Corporation (ENEOS) and Preferred Networks, Inc. (PFN) announced today that their artificial intelligence (AI) system, which they have been continuously operating since January 2023 for a butadiene extraction unit

What https://www.preferred.jp/en/news/pr20230731 says, word for word.

## Sources

- https://www.preferred.jp/en/news/pr20230731 (primary, Preferred Networks, published 2023-08-09)

---

AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.
