TOPIC GUIDE / Connect physical and digital
QR codes & identifiers
Understand the difference between a data carrier, a unique identifier, and the record it resolves to.
Updated September 14, 2026 · Independent introductory guidance
Start with a stable connection
Separate the printed data carrier from the identifier and the online record. Each has different operational questions, from physical readability to long-term availability.
Useful starting points
- Document what the code represents.
- Test the route from scan to the correct record.
- Plan domain and identifier continuity.
BUILD ON THE BASICS
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