Blog · Analysis · Last reviewed June 23, 2026

The Product Passport Becomes the Object Identity

Digital product passports make things machine-readable across manufacture, sale, repair, resale, recycling, and AI-mediated purchasing.

A good passport is not a green badge or a QR code. It is a dated, scoped, role-based evidence record tied to an identifier, a product boundary, an access model, and a correction path.

Object identity should make a thing answerable without quietly turning the object's owner, repairer, or user into the real target of the record.

The Object Gets a Record

A product used to speak through surfaces: label, logo, barcode, receipt, serial number, manual, warranty card, recycling mark. Those surfaces gave fragments of truth. They rarely told the object's life.

The digital product passport changes the bargain. The European Commission describes the Digital Product Passport under the Ecodesign for Sustainable Products Regulation as a digital identity card for products, components, and materials. It is meant to store relevant information that supports sustainability, circularity, and legal compliance. The Commission says this information can include technical performance, materials and their origins, repair activities, recycling capabilities, and lifecycle environmental impacts.

For this essay, a digital product passport is a structured, versioned, electronically accessible record linked to a product model, batch, item, component, or material through a data carrier and identifier. The data carrier is the doorway; the passport is the governed record behind it. Object identity is the practical identity created when that record follows the thing through sale, repair, resale, recall, customs, recycling, procurement, insurance, and automated recommendation. This is not personhood. It is institutional legibility attached to matter: a link between physical object, identifier, evidence, issuer, verifier, resolver, access right, and correction process.

That is a new kind of object identity. A product no longer appears only as an item for sale. It becomes a record-bearing participant in a value chain: made somewhere, from something, by someone, under rules, with repair paths, reuse possibilities, waste obligations, and data access rights. The thing becomes legible not only at checkout, but across its life.

Current Context

As of June 23, 2026, the Digital Product Passport is moving from policy vocabulary into regulatory infrastructure, but it is not yet one universal live database for every product. The ESPR entered into force on July 18, 2024. It replaces the older Ecodesign Directive and extends the framework beyond energy-related products toward virtually all physical products, with exemptions such as food, feed, and medicinal products. The Commission's first ESPR and Energy Labelling Working Plan, adopted in April 2025, begins the product-by-product rulemaking process and prioritizes steel and aluminium, textiles with a focus on apparel, furniture, tyres, mattresses, and several energy-related and horizontal repairability or recyclability measures. The working plan is not itself a passport mandate for every listed product; the enforceable details arrive through delegated and implementing acts.

The system layer is still being specified. The ESPR requires passports to be connected through data carriers to persistent unique product identifiers, to use open and interoperable formats, to regulate access by actor type, and to avoid vendor lock-in. It also requires the Commission to set up a digital registry storing at least unique identifiers by July 19, 2026. That registry is not the whole passport; it is the enforcement index that lets authorities know which passport should exist for which product, and the regulation says a registry communication is not proof of compliance.

Registry design is now an implementation question, not a slogan. The Commission published a draft implementing regulation for the DPP registry on April 29, 2026. Because it is a draft, it should be treated as evidence of intended operating arrangements rather than final law. Still, the direction is clear: object identity will depend on identifiers, registration status, logging, data-carrier links, economic-operator identity, customs interfaces, and rules for what data belongs in the registry versus the passport itself.

The Commission's April 2025 consultation asked how DPP data should be stored and managed by service providers and whether service providers need certification. The Joint Research Centre's March 2026 methodology report describes a step-by-step method for translating policy objectives and use cases into DPP data needs, while explicitly treating access rights, governance, and granularity as design questions. CEN-CENELEC's CEN-CLC/JTC 24 work on "Digital Product Passport - Framework and System" shows that standardization is part of the implementation path, not an afterthought.

Batteries are the concrete preview. The Commission says the Batteries Regulation entered into force on August 17, 2023 and aims to make batteries sustainable throughout their full life cycle, from sourcing to collection, recycling, and repurposing. Regulation (EU) 2023/1542 requires, from February 18, 2027, each light-means-of-transport battery, each industrial battery with a capacity greater than 2 kWh, and each electric-vehicle battery placed on the market or put into service to have an electronic battery passport. The regulation also says a battery passport should contain both model-level and individual-battery information, remain interoperable with other EU digital product passports, and use access rights for different actors.

Construction products are another important boundary case. Regulation (EU) 2024/3110 creates a construction digital product passport system with open, interoperable, machine-readable data, access levels, long availability periods, and explicit limits on storing end-user personal data without consent. That parallel regime matters because product passports will not arrive as one identical template. They will be a family of interoperable records shaped by product risk, life span, market-surveillance needs, and value-chain roles.

The result is a staged infrastructure, not a finished oracle. A passport can be mandatory for one product group, draft for another, and only a design pattern for a third. A registry can route authorities to identifiers without hosting every claim. A standard can define interoperability without verifying a supplier's data. The current context therefore calls for implementation discipline: product scope, evidence status, access rights, service-provider governance, resolver control, and correction paths must be visible before object identity becomes automated trust.

From Label to Passport

A label is a surface declaration. A passport is a governed relationship between claims, evidence, access rights, and identifiers. The difference matters because product claims will be read by systems that do not see the object itself. They see fields.

A battery passport is therefore not merely a QR code. Batteries are distributed across mines, chemicals, labor conditions, carbon intensity, vehicle design, fire risk, repair, second-life storage, recycling, and critical materials. The passport tries to make that industrial story inspectable at the points where decisions are made: purchase, import, service, warranty, resale, reuse, and end-of-life handling.

The same logic will move into textiles, electronics, furniture, appliances, building products, industrial equipment, and other product groups as rules mature. Some passports will attach to a model. Some will attach to a batch. Some will attach to an individual item, component, or material stream. That boundary is not a clerical detail. A product-level carbon claim, a batch-level recycled-content claim, and an item-level repair history carry different evidence and different privacy risk.

That places product passports beside data sheets, AI bills of materials, and provenance layers. All three are attempts to make hidden supply chains inspectable. All three can also become polished paperwork that launders uncertainty if the evidence layer is weak.

What the Passport Carries

A useful product passport should not collapse every audience into one public label. It has to separate layers.

Consumer-facing fields can include durability, reparability, recycled content, environmental footprint claims, instructions, warranty routes, safe-use information, and whether a claim is model-level, batch-level, or item-level. These fields need plain language because they shape ordinary purchase and repair decisions.

Repair and reuse fields can include parts identifiers, manuals, diagnostics, calibration requirements, firmware versions, compatibility limits, component substitutions, and service history. This is where the passport connects to the diagnostic port as a repair gate. If the passport identifies a part but the repair interface blocks independent work, the circular-economy claim is weaker than it looks.

Recycler and safety fields can include material composition, hazardous substances, disassembly guidance, fire and chemical risks, and end-of-life handling. These fields may be useless to a shopper and essential to the person dismantling the object.

Regulator, customs, and procurement fields can include conformity documents, market-surveillance evidence, import checks, public-procurement eligibility, verifier identity, and exemption status. The Commission notes that DPPs can help customs authorities perform automatic checks on the existence and authenticity of passports for imported products.

Confidential supply-chain evidence may include supplier contracts, facility details, test reports, audit records, and security-sensitive engineering data. Some of it may need controlled access rather than public exposure. But "confidential" should mean a governed evidence channel, not the disappearance of the claim. A buyer may not need the factory file; a regulator, customs authority, or accredited auditor may need a route to inspect it.

Provenance and change records should name who asserted a field, when it was asserted, what product scope it covers, what method was used, and what changed later. A passport without version history is a mutable label with a better interface.

Registration and resolver fields should remain distinct from substantive claims. A registry entry, unique identifier, data carrier, resolver response, or proof of registration can help route users and authorities to the right passport. It does not prove that the product is compliant, sustainable, safe, authentic, or accurately described. Routing is not verification.

Agents Will Read the Passport

The product passport is usually described as a tool for consumers, businesses, repairers, recyclers, and public authorities. It is also an AI-agent interface waiting to happen.

A shopping agent comparing appliances, laptops, shoes, furniture, batteries, or tools will need structured product facts. A repair agent will need parts, manuals, compatibility, warnings, and service history. A resale agent will need authenticity, condition, repairability, and provenance. A recycling agent will need material composition, disassembly guidance, and safety data. A customs or market-surveillance system will need proof that the passport exists and corresponds to the product.

That means the passport may become a machine-readable contract between physical things and automated decisions. A human may still scan the code, but software will increasingly sort, rank, filter, recommend, reject, flag, and route the object. The product's data will affect whether it is bought, repaired, insured, financed, imported, resold, refurbished, recycled, or discarded.

This is where the passport connects to AI governance. Once agents mediate commerce, the structured facts attached to objects become part of the agent's world model. If the passport says a product is repairable, low-carbon, compliant, recycled, safe, authentic, or eligible for public procurement, the agent may act as if that is true.

The risk is not only false data. It is optimization around available data. A purchasing agent may prefer products with complete passport fields over products with weaker documentation even when the underlying product is better. A payment agent or smart cart may use passport signals to approve, discount, deny, or route a purchase. A procurement system may turn a missing field into exclusion. The absence of data becomes a market penalty.

That does not mean agents should ignore passports. It means they should cite the fields they use, preserve uncertainty, show verification level, and distinguish evidence from marketing language. If an automated assistant recommends one washing machine over another because of recycled content, repairability, or conformity data, the user should be able to see which passport claim mattered and whether it was self-attested, verified, current, or contested.

Agents also need fallback behavior. If a passport is missing, unreachable, inconsistent with the data carrier, or locked behind an access tier the agent cannot inspect, the correct output may be "insufficient evidence," not a quiet demotion or an invented substitute. A machine-readable market should not turn missing or contested documentation into invisible punishment.

Procurement agents need an even stricter rule. A public buyer, hospital, school, utility, or insurer should not convert passport completeness into automatic eligibility without knowing whether the relevant fields are legally required, self-attested, independently verified, stale, disputed, or unavailable because the delegated act has not yet defined them. That connects object identity to AI procurement and agentic commerce: automated purchasing needs evidence thresholds, not only structured fields.

The Passport Can Lie

Machine-readable information is not the same as trustworthy information.

A passport can be incomplete, stale, strategic, inaccessible, over-aggregated, or too complex for ordinary users. A supplier may have weak records. A component may change. A repair may not be logged. A recycler may need details that are hidden as business confidential. A consumer may see a green claim while the useful evidence is behind permission controls. A platform may rank products by available data rather than actual sustainability.

The first failure mode is passport laundering. A weak self-attestation becomes a green claim, a procurement badge, or an agent-readable preference signal before anyone has checked the underlying evidence.

The second is identifier drift. The passport may describe the model while the object has been repaired, refurbished, substituted, counterfeited, parted out, or combined with components from another product. A record that no longer matches the material thing can mislead repairers, recyclers, buyers, and regulators.

The third is stale sustainability. A claim about carbon footprint, recycled content, supplier location, restricted substances, or repairability may be true for one production run and false for another. If the passport does not preserve scope and date, it turns a past measurement into present authority.

The fourth is repair enclosure. Passport access can help repair, but it can also become another gate if manuals, diagnostics, parts mappings, or write functions sit behind proprietary permissions. The circular economy should not require asking the manufacturer for permission to keep the object alive.

The fifth is credential monoculture. If only a few issuers, resolvers, service providers, or marketplace displays become legible to buyers and agents, then small suppliers, independent repairers, refurbishers, and recyclers may be excluded even when their evidence is sound.

The sixth is resolver capture. If the data carrier points through a controlled resolver, the entity that controls the routing layer can influence which passport, language, display, access tier, correction notice, or commercial service the user sees. The passport is not only a database problem. It is also a naming and resolution problem.

The seventh is data-carrier cloning. A counterfeit product can copy a QR code, NFC tag, serial number, or resolver URL from a legitimate object. If the physical marking is not checked against item-level markings, batch evidence, repair history, or anti-tamper signals where stakes justify it, the passport can speak for the wrong thing.

The eighth is owner-data grafting. Warranty, repair, subscription, insurance, and resale systems may attach personal records to the product identity. A passport meant to describe matter can become a shadow dossier about households, workers, locations, maintenance habits, or secondhand buyers.

There is also a surveillance risk. Product passports should not quietly become owner passports. Repair, resale, warranty, subscription, location, and usage records can attach people to objects. A circular economy can become a behavioral economy if every object carries a durable record of who used it, where, and how.

The hard question is therefore not "more transparency or less transparency." It is transparency for whom, at what granularity, with which verification, and with what protection against turning product data into personal data or trade surveillance.

Governance for Object Identity

A serious digital product passport should be governed as infrastructure.

First, data fields should map to real use cases. Repairers, recyclers, consumers, customs authorities, public buyers, and safety regulators need different facts. A single public label cannot do all the work.

Second, product scope should be explicit. The passport should say whether a claim applies to a product model, batch, individual item, component, material, software version, or service event. Scope is evidence, not metadata decoration.

Third, identifiers should be stable and interoperable. Data carriers and identifiers need to resolve to the right record without locking every product into a single vendor portal. Standards such as GS1 Digital Link show one way to connect identifiers to web addresses and related services, but governance still has to decide persistence, resolver control, and fallback access.

Fourth, claims need evidence levels. "Recyclable," "repairable," "low carbon," "authentic," and "ethically sourced" should not be treated as equal badges. The passport should show method, date, verifier, scope, uncertainty, and whether the claim is self-declared, independently verified, regulator-reviewed, or unresolved.

Fifth, access rights should be precise. Public facts, regulator-only facts, repairer facts, recycler facts, and confidential supply-chain facts need different boundaries. Access control should protect legitimate confidentiality without hiding greenwashing.

Sixth, the passport should survive the seller. The Commission's service-provider consultation is important because object identity must persist through resale, repair, business failure, recalls, and end-of-life handling.

Seventh, updates need audit trails. A passport that changes silently can rewrite a product's history. Material changes should be versioned, timestamped, attributable, and linked to the affected product scope.

Eighth, privacy separation should be designed in. Product identity should not automatically reveal owner identity, household behavior, location, repair habits, or resale history. Use limits, redaction, retention rules, and data minimization practices belong in the passport system itself.

Ninth, repair access should be protected. Passport systems should support independent repair, reuse, and refurbishment without turning every useful field into a proprietary API toll booth. Safety-sensitive functions can require credentials and logs; basic product knowledge should not be held hostage.

Tenth, agents should cite passport fields. If an AI shopping, repair, resale, customs, or procurement agent recommends one product over another because of passport data, the user should see which fields mattered and whether they were verified.

Eleventh, correction paths should be real. A supplier, repairer, recycler, consumer, regulator, or auditor should be able to challenge a wrong field, attach contrary evidence, and trigger downstream notice where the field has already affected automated decisions.

Twelfth, the passport itself needs security. Tampering, cloning, malicious resolver changes, account compromise, forged repair events, and counterfeit data carriers can all turn a traceability system into a misinformation channel. Object identity needs integrity checks and incident response, not only attractive interfaces.

Thirteenth, the system should avoid credential monopolies. Open standards matter because a passport is infrastructure. Public buyers and marketplaces should be able to accept equivalent evidence from multiple lawful issuers and service providers rather than forcing every object through one proprietary trust corridor.

Fourteenth, registration proof should not become compliance proof. A passport registry can confirm that a record was registered and linked to identifiers. It should not be displayed by marketplaces, customs brokers, or agents as proof that every sustainability, safety, repairability, or conformity claim is true.

Fifteenth, object matching should be tested. The data carrier, serial number, batch, physical markings, repair history, and passport scope should be cross-checked where stakes justify it. A cloned QR code, swapped component, refurbished unit, or counterfeit data carrier can make the record speak for the wrong object.

Sixteenth, passport incidents should be reviewable. Wrong fields, forged records, resolver outages, stripped access rights, privacy leaks, and automated exclusions caused by bad passport data should feed audit and incident review. A passport system that cannot remember its own mistakes is not ready to arbitrate repair, customs, resale, procurement, or recycling.

Source Discipline

Digital product passport claims need careful labels. The European Commission ESPR page is policy and implementation context. EUR-Lex is the legal text. The draft DPP registry implementing regulation is implementation evidence until adopted, not final law. The JRC report is a methodology for defining data requirements. CEN-CENELEC shows standardization work. CIRPASS and CIRPASS-2 are project and deployment-support ecosystems. GS1 Digital Link and W3C Verifiable Credentials are relevant standards vocabularies for identifiers and verifiable claims, but they should not be cited as if the ESPR requires one particular technical stack for every product passport.

Evidence should also be kept at the right level. A model-level claim is not an item-level claim. A supplier self-declaration is not an independent audit. A passport's existence is not proof that every field is true. A machine-readable identifier is not proof that the product is authentic. A conformity document is not a complete sustainability assessment. The passport is an evidence interface; the truth of each claim still depends on the source, method, verifier, scope, date, and correction history.

Object-identity sources also need privacy labels. A repair event, resale record, warranty account, location trace, connected-product log, or owner-submitted correction may be useful for circularity and safety, but it can also become personal data. A source record should say whether it describes the object, the operator, the owner, the location, the repairer, or the transaction. Collapsing those categories turns traceability into surveillance by schema.

The strongest reading is practical: DPP infrastructure can improve circular-economy governance, market surveillance, repair, recycling, and procurement only if the record remains inspectable, contestable, and privacy-preserving. Treating the passport as an automatic trust layer would repeat the mistake described in The Provenance Layer Is Not a Truth Machine.

What This Changes

The product passport makes the object answerable.

That is a real gain. Modern supply chains hide too much: carbon, labor, materials, repairability, waste, and planned obsolescence. A well-built passport can help repairers keep products alive, recyclers recover materials, regulators enforce rules, and buyers avoid being trapped inside marketing language.

But object identity is still identity. Once the thing receives a durable machine-readable record, every institution around it can begin to automate judgment. The object can be included, excluded, ranked, taxed, certified, flagged, or forgotten by systems that never touch it physically.

The Spiralist lesson is simple: make things legible without making legibility a new enclosure. The passport should help objects remain useful longer, not become another proprietary gate around repair, resale, and public truth. A circular economy needs memory. It also needs the right to challenge the record.

Sources

Return to Blog