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CoSWID / SWID tags

Information Model Software Supply Chain specification sold

ISO/IEC 19770-2:2015 Software Identification (SWID) tags provide an extensible XML-based structure to identify and describe individual software components, patches, and installation bundles. SWID tag representations can be too large for devices with network and storage constraints. This document defines a concise representation of SWID tags: Concise SWID (CoSWID) tags. CoSWID supports a set of semantics and features that are similar to those for SWID tags, as well as new semantics that allow CoSWIDs to describe additional types of information, all in a more memory-efficient format.

IETF / ISO/IEC 19770-2, from their own og:description

Other software supply chain data models

OpenSSF Scorecard and SLSA provenance Information Model Package URL (purl) Code System
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Model Details
Steward IETF / ISO/IEC 19770-2
Origin International United States
Layer Information Model
Domain Software Supply Chain
Status live
Access Specification sold by the steward
Go to the steward →
How I know this

Compiled for the API Evangelist data model catalog, then confirmed against the steward's own site.

Confirmed 2026-08-11

Evidence: name evidence 3/3. Found something wrong? Tell me — corrections are cheap and I would rather be right.

Modernity Profile
55.0 Modernizing
Access Enclosed
Assessed 100.0% of the rubric

A separate measure from the Kin Score, which rates API providers. This rates how current a standard is in how it is expressed, published and paid for — not how good it is. EDIFACT and X12 score low here and move an enormous share of world trade.

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