{"id":6510,"date":"2025-09-05T09:47:47","date_gmt":"2025-09-05T07:47:47","guid":{"rendered":"https:\/\/openbim-knowledgebase.org\/docs\/chapter-4-2-feature-identification\/"},"modified":"2025-11-24T09:36:15","modified_gmt":"2025-11-24T08:36:15","slug":"chapter-4-2-feature-identification","status":"publish","type":"docs","link":"https:\/\/openbim-knowledgebase.org\/en\/docs\/digital-product-passport-dpp-for-construction-products\/chapter-4-identification\/chapter-4-2-feature-identification\/","title":{"rendered":"Chapter 4.2 &#8211; Feature identification"},"content":{"rendered":"<style>.kb-table-of-content-nav.kb-table-of-content-id1945_865165-20 .kb-table-of-content-wrap{background-color:var(--global-palette7, #EDF2F7);}.kb-table-of-content-nav.kb-table-of-content-id1945_865165-20 .kb-table-of-contents-title-wrap{padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;border-top:0px solid transparent;border-right:0px solid transparent;border-bottom:0px solid transparent;border-left:0px solid transparent;}.kb-table-of-content-nav.kb-table-of-content-id1945_865165-20 .kb-table-of-contents-title{font-size:var(--global-kb-font-size-md, 1.25rem);font-family:var( --global-heading-font-family, inherit );font-weight:bold;font-style:normal;}.kb-table-of-content-nav.kb-table-of-content-id1945_865165-20 .kb-table-of-content-wrap .kb-table-of-content-list{font-weight:regular;font-style:normal;margin-top:var(--global-kb-spacing-sm, 1.5rem);margin-right:0px;margin-bottom:0px;margin-left:0px;}.kb-table-of-content-nav.kb-table-of-content-id1945_865165-20 .kb-toggle-icon-style-basiccircle .kb-table-of-contents-icon-trigger:after, .kb-table-of-content-nav.kb-table-of-content-id1945_865165-20 .kb-toggle-icon-style-basiccircle .kb-table-of-contents-icon-trigger:before, .kb-table-of-content-nav.kb-table-of-content-id1945_865165-20 .kb-toggle-icon-style-arrowcircle .kb-table-of-contents-icon-trigger:after, .kb-table-of-content-nav.kb-table-of-content-id1945_865165-20 .kb-toggle-icon-style-arrowcircle .kb-table-of-contents-icon-trigger:before, .kb-table-of-content-nav.kb-table-of-content-id1945_865165-20 .kb-toggle-icon-style-xclosecircle .kb-table-of-contents-icon-trigger:after, .kb-table-of-content-nav.kb-table-of-content-id1945_865165-20 .kb-toggle-icon-style-xclosecircle .kb-table-of-contents-icon-trigger:before{background-color:var(--global-palette7, #EDF2F7);}@media all and (max-width: 1024px){.kb-table-of-content-nav.kb-table-of-content-id1945_865165-20 .kb-table-of-contents-title-wrap{border-top:0px solid transparent;border-right:0px solid transparent;border-bottom:0px solid transparent;border-left:0px solid transparent;}}@media all and (max-width: 767px){.kb-table-of-content-nav.kb-table-of-content-id1945_865165-20 .kb-table-of-contents-title-wrap{border-top:0px solid transparent;border-right:0px solid transparent;border-bottom:0px solid transparent;border-left:0px solid transparent;}}<\/style>\n<p class=\"wp-block-paragraph\">Machine-readable product information is increasingly managed in the construction industry through the use of standardized identifiers and data models. Although there is currently no explicit specification for the DPP on how data is identified, it is recommended to use Universally Unique Identifiers (UUID) for product information. <\/p>\n\n<p class=\"wp-block-paragraph\">The term Globally Unique Identifier (GUID) is used in this white paper. UUID and GUID are identical. Both refer to a 128-bit identifier that is generated according to the RFC <sup>412211<\/sup> standard. GUIDs are structured in such a way that they are unique worldwide &#8211; even if they are created by different computers or organizations.   <\/p>\n\n<p class=\"wp-block-paragraph\">GUIDs are used for features or components of a product that are not sold individually but still require unique identification for tracking and compliance. This allows all information to be consistently and uniquely assigned to a single product. This enables better traceability, management and interoperability of construction products and materials throughout their life cycle.  <\/p>\n\n<p class=\"has-theme-palette-7-background-color has-background wp-block-paragraph\"><sup>11<\/sup> The RFC 4122 standard was defined by the Internet Engineering Task Force (IETF).<\/p>\n\n<div class=\"wp-block-group has-theme-palette-7-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Copyright<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This document is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License as Attribution-NonCommercial-ShareAlike.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Further information is available at: <a href=\"https:\/\/creativecommons.org\/licenses\/by-nc-sa\/4.0\/\">Creative Commons<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"\/wp-content\/uploads\/2025\/09\/DPP_Cha13_Fig34.png\" alt=\"Creative Commons\"\/><\/figure>\n<\/div><\/div>\n","protected":false},"featured_media":0,"parent":6514,"menu_order":19,"comment_status":"open","ping_status":"closed","template":"","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","_is_vendor_doc":"0","footnotes":""},"doc_tag":[],"class_list":["post-6510","docs","type-docs","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"Machine-readable product information is increasingly managed in the construction industry through the use of standardized identifiers and data models. 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The term Globally Unique Identifier (GUID) is used in","twitter:image":"https:\/\/openbim-knowledgebase.org\/wp-content\/uploads\/2026\/04\/og-image-openbim-1200x630-1.png"},"aioseo_meta_data":{"post_id":"6510","title":null,"description":null,"keywords":null,"keyphrases":{"focus":{"keyphrase":"chapter 42 - feature identification","score":0,"analysis":[]},"additional":[]},"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":"2026-09-28 04:38:05","breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"open_ai":null,"ai":null,"created":"2025-11-24 08:35:59","updated":"2026-09-28 04:38:05","focus_keyword":"chapter 42 - feature identification","additional_keywords":null,"truseo_locale":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t<a href=\"https:\/\/openbim-knowledgebase.org\/en\/\" title=\"KnowledgeBase\">KnowledgeBase<\/a>\n<\/span><span class=\"aioseo-breadcrumb-separator\">\u2023<\/span><span class=\"aioseo-breadcrumb\">\n\t<a href=\"https:\/\/openbim-knowledgebase.org\/en\/docs\/digital-product-passport-dpp-for-construction-products\/\" title=\"Digital Product Passport (DPP) for construction products\">Digital Product Passport (DPP) for construction products<\/a>\n<\/span><span class=\"aioseo-breadcrumb-separator\">\u2023<\/span><span class=\"aioseo-breadcrumb\">\n\t<a href=\"https:\/\/openbim-knowledgebase.org\/en\/docs\/digital-product-passport-dpp-for-construction-products\/chapter-4-identification\/\" title=\"Chapter 4 \u2013 Identification\">Chapter 4 \u2013 Identification<\/a>\n<\/span><span class=\"aioseo-breadcrumb-separator\">\u2023<\/span><span class=\"aioseo-breadcrumb\">\n\tChapter 4.2 \u2013 Feature identification\n<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"KnowledgeBase","link":"https:\/\/openbim-knowledgebase.org\/en\/"},{"label":"Digital Product Passport (DPP) for construction products","link":"https:\/\/openbim-knowledgebase.org\/en\/docs\/digital-product-passport-dpp-for-construction-products\/"},{"label":"Chapter 4 &#8211; Identification","link":"https:\/\/openbim-knowledgebase.org\/en\/docs\/digital-product-passport-dpp-for-construction-products\/chapter-4-identification\/"},{"label":"Chapter 4.2 &#8211; Feature identification","link":"https:\/\/openbim-knowledgebase.org\/en\/docs\/digital-product-passport-dpp-for-construction-products\/chapter-4-identification\/chapter-4-2-feature-identification\/"}],"taxonomy_info":[],"featured_image_src_large":false,"author_info":[],"comment_info":0,"comment_count":0,"_links":{"self":[{"href":"https:\/\/openbim-knowledgebase.org\/en\/wp-json\/wp\/v2\/docs\/6510","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/openbim-knowledgebase.org\/en\/wp-json\/wp\/v2\/docs"}],"about":[{"href":"https:\/\/openbim-knowledgebase.org\/en\/wp-json\/wp\/v2\/types\/docs"}],"replies":[{"embeddable":true,"href":"https:\/\/openbim-knowledgebase.org\/en\/wp-json\/wp\/v2\/comments?post=6510"}],"version-history":[{"count":0,"href":"https:\/\/openbim-knowledgebase.org\/en\/wp-json\/wp\/v2\/docs\/6510\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/openbim-knowledgebase.org\/en\/wp-json\/wp\/v2\/docs\/6514"}],"next":[{"title":"Chapter 4.3 - Identification requirements using a product example","link":"https:\/\/openbim-knowledgebase.org\/en\/docs\/digital-product-passport-dpp-for-construction-products\/chapter-4-identification\/chapter-4-3-identification-requirements-using-a-product-example\/","href":"https:\/\/openbim-knowledgebase.org\/en\/wp-json\/wp\/v2\/docs\/6508"}],"prev":[{"title":"Chapter 4.1 - Product identification","link":"https:\/\/openbim-knowledgebase.org\/en\/docs\/digital-product-passport-dpp-for-construction-products\/chapter-4-identification\/chapter-4-1-product-identification\/","href":"https:\/\/openbim-knowledgebase.org\/en\/wp-json\/wp\/v2\/docs\/6493"}],"wp:attachment":[{"href":"https:\/\/openbim-knowledgebase.org\/en\/wp-json\/wp\/v2\/media?parent=6510"}],"wp:term":[{"taxonomy":"doc_tag","embeddable":true,"href":"https:\/\/openbim-knowledgebase.org\/en\/wp-json\/wp\/v2\/doc_tag?post=6510"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}