---
title: "Tag: instance | OpenEPCIS | OpenEPCIS - an open-core, GS1-conformant EPCIS implementation."
canonical_url: "https://openepcis.io/tags/instance"
last_updated: "2026-10-09T10:22:10.626Z"
meta:
  "og:title": "Tag: instance | OpenEPCIS | OpenEPCIS - an open-core, GS1-conformant EPCIS implementation."
---

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# **Tag: instance**

- [<h2>**openepcis_connector_stock: lots and serial numbers**</h2>

  The bridge to Inventory. A lot becomes /01/<gtin>/10/<lot>, a serial number /01/<gtin>/21/<serial>, each a document of its own in the catalog under the product's GTIN — with the instance-level Digital Link and its QR code on the lot form, where labels are actually printed.#connectors#odoo#lot#serial#lgtin#sgtin#instance#digital-link](https://openepcis.io/docs/connectors/odoo/lots-and-serial-numbers)