Defines the product, batch or individual item according to the applicable model.
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Digital Product Passports.
A Digital Product Passport is a data system. The product still needs an appropriate physical route to its identifier and information.
QR, Data Matrix or NFC makes the identifier accessible from the physical product or its companion object.
Digital infrastructure directs access and governs the information, permissions and lifecycle.
PHYSICAL LAYER
Design for persistence and interoperability.
The carrier should remain readable, appropriately attached to the product journey and compatible with the selected data model.
Identity level
Model, batch or item.
Carrier choice
Visibility, material, durability, accessibility and security.
Destination
Resolver or platform selected by the brand.
Continuity
Governance for updates, redirects and long-term access.
The carrier supports the passport; it is not the passport.
Compliance and data obligations depend on the applicable product rules, economic-operator roles and the digital system behind the carrier.
A physical identity programme begins with the product, its service journey and the evidence it must carry.
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