Printers.
Label printers commission new serialised identifiers at the start of an object's life. A commissioning event records that origin; the gateway validates and appends it like any other, so the object's history begins at the print, not at first scan.
POST /capturePOST /translate
Build state, 29 July 2026. The capture gateway is written and passing its conformance tests; nothing is hosted yet. See How for the dimension, and What ships today for the dated ledger.