The Device Repository is the relational store behind the Device Registry. It holds the durable facts about every device: its identity, the certificates it presents, and the groups it belongs to for targeting and access control.
Storage profile
PostgreSQL, single logical database with read replicas. Device records are
kept for the lifetime of the device (including retired) for audit and
warranty traceability.
The schema is intentionally small — identity, certificates and grouping. The ERD is embedded on the Overview tab.
CERTIFICATE.fingerprint is unique and is the value ingestion matches on at
connect time.active at a time.DEVICE_GROUP) feeds OTA cohort targeting and dashboard filters.