Product-level structural evidence.

Methodological extension for product-level structural evidence.

A different object, the same question

Where CBAM attaches an evidentiary burden to a reporting file, the Digital Product Passport attaches it to a product. The regulatory object changes; the underlying question does not. A claim carried by a product must be traceable to a source, consistent with the other claims attached to the same item, and reconstructable at a later date by a party that was not present when it was made.

Reference architecture

A product passport is only as reliable as the infrastructure that populates it. Where passport data is assembled from systems that were never designed to preserve lineage, the passport inherits their limits, and it does so invisibly, because a filled-in field looks the same whether or not it can be backed up.

Continuity across the chain

Product-level evidence is distributed by nature: it originates with suppliers, is transformed through manufacturing, and is asserted at the point of market access. Each transfer is a point at which continuity can break. The evidentiary review therefore concerns not only the values held in a passport, but the continuity of the chain that produced them.

WEETRA's position

The Digital Product Passport is a designed extension of the WEETRA methodological architecture, not a current operational use case. The same review objects apply without any structural change: source documents, declared and recalculated values, critical contradictions and missing critical evidence, and evidence-chain integrity.