Packages.
A package is a packaged unit identified for tracking. Aggregation events record what was packed into what; the gateway stamps and appends the association without letting the sender assert the observer or the record time.
epcListquantityList
Build state, 29 July 2026. The capture gateway is written and passing its conformance tests; nothing is hosted yet. See What for the dimension, and What ships today for the dated ledger.