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UN Transparency Protocol, Identity Resolver

UN/CEFACTspecificationcore entry

Verified 2026-10-13. Status as of 2026-10-13. All entries.

Seams: S2

Status

Latest stable version 0.7.0 (GitLab tag of 2026-05-04); the 0.7.0 page says the team "expects to release UNTP version 1.0", without a date.

Relevance

The Resolver Workflow section lists, among "some common conditions that a link resolver service SHOULD manage consistently", "When there is no data for the requested entity ID."; not found in its prose, 2026-10-02: the response for that case. The 0.7.0 OpenAPI artefact defines 404 ("No link resolver entry found for this identifier.") and 400 for a path that does not match the registered scheme patterns.

The specification describes the gtr Uniform Resource Name (URN) namespace of the UN global trust register as "IANA registration pending" (see un-gtr-urn).

Committed next

Boundary

The internal workflow of an identity resolver is not defined; the specification lists conditions a link resolver should handle consistently.

Sources

Overlaps

GS1-Conformant Resolver Standard 1.2.1, UN Global Trust Register, namespace urn:gtr

Neighbours in the map

Neighbours of UN Transparency Protocol, Identity Resolver in the map Each circle is an entry of the map and links to its page; the colour is the kind of body behind it, a filled circle is a core entry and a dashed circle a context entry. The entry in the middle, with the entries it overlaps and the entries named by the same seams. Overlaps (3)Share a seam (9)GS1-Conformant Resolver Standard 1.2.1 (GS1, core)GS1-Conformant Resolver… UN Global Trust Register, namespace urn:gtr (UN/CEFACT, context)UN Global Trust Register CEN/CENELEC JTC 24 Digital Product Passport standards (EN 18216 to EN 18246) (Other standards bodies, core)CEN/CENELEC JTC 24 Digi… W3C DID Resolution (W3C, core)W3C DID Resolution S2 W3C/GS1 Workshop on E-commerce for Humans and AI Agents (Zurich, 8-9 Sep 2026) (W3C, core)W3C/GS1 Workshop on E-c… S2 GS1 Digital Link Standard, URI Syntax 1.7.0 (GS1, context)GS1 Digital Link Standa… S2 AI Catalog (Agent Card Working Group) (Linux Foundation, core)AI Catalog S2 x402 (Linux Foundation, core)x402 S2 schema.org open issues relevant to agents, bookings, product and establishment identity (Independent, core)schema.org open issues… S2 schema.org vocabulary for products, offers, sellers and lodging (current release) (Independent, context)schema.org vocabulary f… S2 Agentic Commerce Protocol (ACP) (Industry, core)Agentic Commerce Protoc… S2 Universal Commerce Protocol (UCP) (Industry, core)Universal Commerce Prot… S2 UN Transparency Protocol

Solid lines: overlaps declared by one of the two entries. Dashed lines, coloured by seam: entries named by the same seam (S1 to S4) in the seams note. Every node is a link.

Evidence and coverage

Read
On 2026-10-13: the versions page of untp.unece.org (0.7.0 still the only stable release listed; the GitLab tag list was not queried again).
Not read
The response diagram of the Resolver Workflow (an image).
Not found
Not found in the prose of either specification page, 2026-10-02: any mention of 404.