Author

Sebastian Kotur

CTO and co-founder, Curvestone

Sebastian leads engineering at Curvestone. He writes about building production AI for regulated workloads, where a wrong answer can trigger an FCA referral: the accuracy guarantees, deterministic outputs, and audit trails a compliance team can stand behind. He worked in distributed systems and applied machine learning before co-founding Curvestone in 2024.

Writes about

Production AI systemsDocument AIAccuracy and reliability in regulated AIAI architectureAudit trail design

Document verification in regulated lending: three concentric layers

Document verification is three concentric layers: presence, integrity, consistency. The 2026 guide for UK mortgage and specialist lenders. What automation does and doesn't replace.

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