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this is not an official 3GPP stage assignment."}}]},{"id":"security","label":"Security","specifications":[{"number":"33.501","type":"TS","title":"Security architecture and procedures for 5G System","status":"Under change control","initial_release":"Rel-15","primary_group":"S3","portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=3169","dynareport_url":"https://www.3gpp.org/dynareport/33501.htm","classifications":[],"lineage_layer":{"id":"security","label":"Security","provenance_type":"inferred","review_state":"candidate","source_url":null,"note":"Orientation inferred from the 33-series; this is not an official 3GPP stage assignment."}}]}],"primary_work_item":null,"connected_work_items":[{"database_id":243997,"uid":959999,"acronym":"Limbo","effective_acronym":"Limbo","title":"Limbo: code to be used for not-approved CRs related to never-approved WIDs","release":"-","status":"PCG approved","responsible_groups":[],"completion_rate":0.0,"latest_remark":"-","work_plan_synced_at":"2026-10-07T21:46:43.739842+00:00","source_url":"https://portal.3gpp.org/desktopmodules/WorkItem/WorkItemDetails.aspx?workitemId=959999","work_plan_source_url":"https://www.3gpp.org/ftp/Information/WORK_PLAN/Work_plan_3gpp_2026_09_28.xlsx","specifications":["33.501"],"specification_associations":[{"number":"33.501","association_sources":["crdb"],"association_status":"source_tracked"}],"lineage_scope":"connected_to_mapped_specification"}],"relationships":[{"id":1,"source_spec":"23.502","target_spec":"23.501","edge_type":"stage_realization_of","provenance_type":"curated","confidence":1.0,"review_state":"reviewed","source_url":"atlas://curated/dependency-edges","valid_from_release":null,"valid_to_release":null},{"id":2,"source_spec":"24.501","target_spec":"23.502","edge_type":"procedure_component","provenance_type":"curated","confidence":1.0,"review_state":"reviewed","source_url":"atlas://curated/dependency-edges","valid_from_release":null,"valid_to_release":null},{"id":4,"source_spec":"33.501","target_spec":"23.502","edge_type":"security_for","provenance_type":"curated","confidence":1.0,"review_state":"reviewed","source_url":"atlas://curated/dependency-edges","valid_from_release":null,"valid_to_release":null},{"id":3,"source_spec":"38.413","target_spec":"23.502","edge_type":"procedure_component","provenance_type":"curated","confidence":1.0,"review_state":"reviewed","source_url":"atlas://curated/dependency-edges","valid_from_release":null,"valid_to_release":null}],"change_requests":{"primary_work_item":[],"release_context":[]},"traceability_summary":{"mapped_specifications":6,"explicit_stage_classifications":0,"inferred_layer_orientations":6,"release_valid_relationships":4,"connected_work_items":1,"primary_work_item_crs":0,"release_context_crs":0},"limitations":["The reviewed topic-to-specification mapping is Atlas-curated and non-normative even when its source is an official 3GPP record.","When an explicit stage classification is unavailable, specification layers are inferred from the TS/TR series and are labelled inferred rather than presented as official 3GPP stage assignments.","Connected Work Items and release-context Change Requests share mapped specifications; only the topic source Work Item is treated as primary evidence for the reviewed topic mapping.","This is traceability evidence and navigation, not a clause-by-clause normative feature definition."]}