{"id":"0bcf7c18-c405-4626-b4d0-0221080c0097","type":"DATASET","name":"OSNI Open Data - 50K Boundaries - District Electoral Areas (1993)","slug":"osni-open-data-50k-boundaries-district-electoral-areas-1993","description":"OSNI 50k DEAs as they were from 1993. Published here for OpenData. By download or use of this dataset you agree to abide by the LPS Open Government Data Licence. Please Note for Open Data NI Users: Esri Rest API is not Broken, it will not open on its own in a Web Browser but can be copied and use...","free_access_class":"FREE_NO_AUTH","auth_type":"NONE","homepage_url":"https://data.gov.uk/dataset/osni-open-data-50k-boundaries-district-electoral-areas-19933","docs_url":"https://data.gov.uk/dataset/osni-open-data-50k-boundaries-district-electoral-areas-19933","repo_url":null,"status":"ACTIVE","verification_state":"VERIFIED","tags":[],"logo_url":"https://www.google.com/s2/favicons?sz=64&domain=data.gov.uk","primary_source_url":"https://services.spatialni.gov.uk/opendata/services/OSNIVector/OSNIOpenData_Boundaries_50K/MapServer/WMSServer?request=GetCapabilities&service=WMS","extraction_confidence":"0.00","created_at":"2026-07-09T09:17:25.207Z","updated_at":"2026-08-23T09:47:09.169Z","last_verified_at":"2026-08-23T09:47:09.169Z","deprecated_at":null,"ranking_score":51,"last_ranked_at":"2026-08-09T07:45:02.771Z","last_seen_at":null,"last_validated_at":null,"last_uptime_at":"2026-08-18T09:24:42.794Z","search_vector":"'000':83B,229B '1':81B,227B '1993':9A,17B,89B,155A,163B,235B '50':82B,228B '50k':4A,11B,150A,157B 'a':207B,274B 'abid':32B 'abide':178B 'access':134B 'accessed':280B 'agre':30B 'agree':176B 'an':263B 'analysi':145B 'analysis':291B 'and':214B,244B,288B 'api':49B,120B,195B,266B 'area':8A,74B,220B 'areas':154A 'as':159B,231B,248B 'at':226B 'be':212B,279B 'boundari':5A,76B,144B 'boundaries':151A,222B 'boundary':290B 'boundary-analysi':143B 'boundary-analysis':289B 'broken':52B,198B 'browser':63B,130B,209B,276B 'but':210B,277B 'by':168B,179B,237B 'can':211B,278B 'copi':67B 'copied':213B 'data':3A,38B,44B,104B,110B,113B,149A,184B,190B,250B,256B,259B 'dataset':28B,70B,174B,216B 'dea':12B,75B,221B 'deas':158B 'direct':126B 'directly':272B 'district':6A,72B,152A,218B 'does':269B 'download':23B,169B 'elector':7A,73B 'electoral':153A,219B 'endpoint':121B,267B 'esri':47B,118B,193B,264B 'exist':87B 'existed':233B 'for':166B,188B,223B,286B 'from':162B,234B 'gis':138B,284B 'govern':37B,109B 'government':183B,255B 'here':165B 'in':206B,273B 'ireland':79B,95B,225B,241B 'is':196B,260B 'it':199B 'its':204B 'land':97B,243B 'licenc':39B,111B 'licence':185B,257B 'lps':35B,101B,107B,181B,247B,253B 'map':141B 'mapping':287B 'ni':45B,191B 'northern':78B,94B,224B,240B 'not':197B,201B,270B 'note':41B,187B 'of':172B,217B 'on':203B 'open':2A,36B,43B,56B,103B,108B,148A,182B,189B,202B,249B,254B 'opendata':21B,167B 'or':170B,282B 'ordnanc':92B 'ordnance':238B 'osni':1A,10B,96B,147A,156B,242B 'own':205B 'pleas':40B 'please':186B 'programmat':135B 'programmatically':281B 'properti':99B 'property':245B 'provid':115B 'provided':261B 'publish':18B,90B 'published':164B,236B 'purpos':146B 'purposes':292B 'render':125B,271B 'rest':48B,119B,194B,265B 'scale':84B,230B 'servic':100B 'services':246B 'softwar':139B 'software':285B 'survey':93B,239B 'the':180B,252B,258B 'they':160B,232B 'this':173B 'to':177B 'under':251B 'use':25B,69B,171B,215B 'user':46B 'users':192B 'via':116B,137B,262B,283B 'web':62B,129B,208B,275B 'were':161B 'which':268B 'will':200B 'you':175B","popularity_score":"0.0000","maintenance_score":"0.7000","institution_id":null,"institution_type":null,"country_code":"GB","official_confidence":0,"proof_summary":"Confidence: 0%","source_seed_url":null,"is_public_sector":true,"published_at":"2026-07-10T17:42:00.000Z","geographic_scope":"NATIONAL","name_en":null,"description_en":"Dataset of District Electoral Area (DEA) boundaries for Northern Ireland at 1:50,000 scale, as they existed from 1993. Published by Ordnance Survey Northern Ireland (OSNI) / Land and Property Services (LPS) as open data under the LPS Open Government Data Licence. The data is provided via an Esri REST API endpoint, which does not render directly in a web browser but can be accessed programmatically or via GIS software for mapping and boundary-analysis purposes.","native_lang":"en","access_level":"direct","formats":["CSV","GEOJSON","JSON","KML","SHP"],"capability_tier":"download","trust_score":37.23076923076923,"access":{"level":"direct","primary":{"kind":"download","label":"Download GEOJSON","method":"GET","url":"https://osni-spatialni.opendata.arcgis.com/datasets/a6590a6f628b4c8e922dcbc24f97bf4b_4.geojson?outSR=%7B%22latestWkid%22%3A29902%2C%22wkid%22%3A29900%7D","format":"GEOJSON","source":"distribution","runnable":true},"actions":[{"kind":"download","label":"Download GEOJSON","method":"GET","url":"https://osni-spatialni.opendata.arcgis.com/datasets/a6590a6f628b4c8e922dcbc24f97bf4b_4.geojson?outSR=%7B%22latestWkid%22%3A29902%2C%22wkid%22%3A29900%7D","format":"GEOJSON","source":"distribution","runnable":true},{"kind":"download","label":"Download SHP","method":"GET","url":"https://osni-spatialni.opendata.arcgis.com/datasets/a6590a6f628b4c8e922dcbc24f97bf4b_4.zip?outSR=%7B%22latestWkid%22%3A29902%2C%22wkid%22%3A29900%7D","format":"SHP","source":"distribution","runnable":true},{"kind":"download","label":"Download KML","method":"GET","url":"https://osni-spatialni.opendata.arcgis.com/datasets/a6590a6f628b4c8e922dcbc24f97bf4b_4.kml?outSR=%7B%22latestWkid%22%3A29902%2C%22wkid%22%3A29900%7D","format":"KML","source":"distribution","runnable":true},{"kind":"download","label":"Download JSON","method":"GET","url":"https://services.spatialni.gov.uk/opendata/rest/services/OSNIVector/OSNIOpenData_Boundaries_50K/MapServer/4","format":"JSON","source":"distribution","runnable":true},{"kind":"download","label":"Download CSV","method":"GET","url":"https://osni-spatialni.opendata.arcgis.com/datasets/a6590a6f628b4c8e922dcbc24f97bf4b_4.csv?outSR=%7B%22latestWkid%22%3A29902%2C%22wkid%22%3A29900%7D","format":"CSV","source":"distribution","runnable":true},{"kind":"query","label":"Dataset metadata","method":"GET","url":"https://data.gov.uk/api/3/action/package_show?id=osni-open-data-50k-boundaries-district-electoral-areas-19933","source":"query_example","runnable":true,"direct":false},{"kind":"landing","label":"Open source page","method":"GET","url":"https://data.gov.uk/dataset/osni-open-data-50k-boundaries-district-electoral-areas-19933","source":"landing_page","runnable":false},{"kind":"landing","label":"Open source record","method":"GET","url":"https://services.spatialni.gov.uk/opendata/services/OSNIVector/OSNIOpenData_Boundaries_50K/MapServer/WMSServer?request=GetCapabilities&service=WMS","source":"primary_source","runnable":false}],"formats":["CSV","GEOJSON","JSON","KML","SHP"]},"maturity":{"entry_id":"0bcf7c18-c405-4626-b4d0-0221080c0097","granularity":"entry","granularity_label":"One unit = one catalog entry. A PROXY for the SCOPE.md §4 ladder, which governs source families, not entries: a family with 400 entries moves this reading 400 times as much as a family with one. Never compare or combine with the source_family reading.","level":"verified","level_index":2,"level_label":"Verified","meaning":"Access tested successfully","counts_as_coverage":false,"blocked_by":null,"rungs":[{"level":"discovered","level_index":1,"label":"Discovered","meaning":"Source and metadata recorded","evidence":"membership of the named population the ladder is taken over","counts_as_coverage":false,"met":true,"reached":true,"criterion":"TRUE"},{"level":"verified","level_index":2,"label":"Verified","meaning":"Access tested successfully","evidence":"entries.verification_state = 'VERIFIED'","counts_as_coverage":false,"met":true,"reached":true,"criterion":"entries.verification_state = 'VERIFIED'"},{"level":"profiled","level_index":3,"label":"Profiled","meaning":"Schema, dimensions and licence understood","evidence":"a data profile with at least one field (entry_data_profiles.field_count > 0)","counts_as_coverage":false,"met":false,"reached":false,"criterion":"EXISTS (SELECT 1 FROM entry_data_profiles p WHERE p.entry_id = entries.id AND COALESCE(p.field_count, 0) > 0)"},{"level":"executable","level_index":4,"label":"Executable","meaning":"Queries run through Commodity","evidence":"entries.capability_tier = 'live' — today's proxy for \"queryable through us\"","counts_as_coverage":true,"met":false,"reached":false,"criterion":"entries.capability_tier = 'live'"},{"level":"joinable","level_index":5,"label":"Joinable","meaning":"Canonical identifiers and concepts mapped","evidence":"a field link to a canonical identifier whose sampled VALUES match its format","counts_as_coverage":true,"met":false,"reached":false,"criterion":"EXISTS (SELECT 1 FROM entry_field_links efl WHERE efl.entry_id = entries.id AND efl.identifier_id IS NOT NULL AND efl.value_status = 'match')"},{"level":"reproducible","level_index":6,"label":"Reproducible","meaning":"Snapshots and transformation evidence retained","evidence":"at least one retained evidence manifest (migration 078)","counts_as_coverage":true,"met":false,"reached":false,"criterion":"EXISTS (SELECT 1 FROM evidence_manifests em WHERE em.entry_id = entries.id)"},{"level":"guaranteed","level_index":7,"label":"Guaranteed","meaning":"Monitored against an operational reliability target","evidence":"an active reliability target with a named monitor (migration 096)","counts_as_coverage":true,"met":false,"reached":false,"criterion":"EXISTS (SELECT 1 FROM entry_reliability_targets rt WHERE rt.entry_id = entries.id AND rt.is_active = true)"}],"officialness":{"basis":"catalog_inherited","label":"Inherited from the upstream catalog: this item came from a trusted official government catalog, and that provenance — not per-item proof — is the warrant. Its own proof score is below 80 or it matched no registered institution (apps/worker/src/connectors/catalog/qualify-store.ts).","proof_confidence":0,"proven_threshold":80,"institution_id":null,"definition":"CASE WHEN COALESCE(entries.is_public_sector, false) IS NOT TRUE THEN 'not_official' WHEN COALESCE(entries.official_confidence, 0) >= 80 AND entries.institution_id IS NOT NULL THEN 'per_item_proven' ELSE 'catalog_inherited' END"},"source_family":{"key":"services.spatialni.gov.uk","label":"One unit = one source family, approximated by the serving host of the entry's primary source URL (e.g. bdl.stat.gov.pl). A COMPUTED stand-in for the curated families of SCOPE.md §5, which no table holds yet. A family sits at the highest level any of its entries has reached, because a family is integrated to the depth of its deepest working integration. Never compare or combine with the entry reading."},"generated_at":"2026-08-23T12:58:27.022Z"},"api_details":null,"dataset_details":{"id":"d6c993ed-c4d6-47b5-9a48-2371ae92aabb","entry_id":"0bcf7c18-c405-4626-b4d0-0221080c0097","upstream_issued":null,"upstream_modified":"2026-07-08T13:33:11.976Z","themes":[],"update_frequency":null,"temporal_start":null,"temporal_end":null,"spatial_coverage":null,"landing_page":"https://data.gov.uk/dataset/osni-open-data-50k-boundaries-district-electoral-areas-19933","license_id":null,"license_raw":null,"has_documentation":false,"has_data_dictionary":false,"has_versioning":false,"source_portal":"ckan","source_portal_url":"https://data.gov.uk","created_at":"2026-07-15T22:35:28.461Z","updated_at":"2026-07-25T21:56:32.568Z","publisher":null,"publisher_url":null,"distributions":[{"id":"04719afe-353f-4848-93aa-58125bbd6d42","dataset_details_id":"d6c993ed-c4d6-47b5-9a48-2371ae92aabb","title":"OGC WMS","description":null,"access_url":"https://services.spatialni.gov.uk/opendata/services/OSNIVector/OSNIOpenData_Boundaries_50K/MapServer/WMSServer?request=GetCapabilities&service=WMS","download_url":null,"media_type":"application/vnd.ogc.wms_xml","format":"wms","byte_size":null,"license_id":null,"license_raw":null,"last_checked_at":"2026-08-23T09:47:06.203Z","is_available":false,"last_http_status":520,"created_at":"2026-07-25T21:56:31.456Z","updated_at":"2026-08-23T09:47:06.203Z"},{"id":"0db06469-8677-4cfe-89ce-b66515ad83ce","dataset_details_id":"d6c993ed-c4d6-47b5-9a48-2371ae92aabb","title":"GeoJSON","description":null,"access_url":"https://osni-spatialni.opendata.arcgis.com/datasets/a6590a6f628b4c8e922dcbc24f97bf4b_4.geojson?outSR=%7B%22latestWkid%22%3A29902%2C%22wkid%22%3A29900%7D","download_url":"https://osni-spatialni.opendata.arcgis.com/datasets/a6590a6f628b4c8e922dcbc24f97bf4b_4.geojson?outSR=%7B%22latestWkid%22%3A29902%2C%22wkid%22%3A29900%7D","media_type":"application/vnd.geo+json","format":"geojson","byte_size":null,"license_id":null,"license_raw":null,"last_checked_at":"2026-08-23T09:47:08.135Z","is_available":true,"last_http_status":400,"created_at":"2026-07-25T21:56:31.609Z","updated_at":"2026-08-23T09:47:08.135Z"},{"id":"65f5e834-a032-4067-b393-a99eb6c0cbce","dataset_details_id":"d6c993ed-c4d6-47b5-9a48-2371ae92aabb","title":"Shapefile","description":null,"access_url":"https://osni-spatialni.opendata.arcgis.com/datasets/a6590a6f628b4c8e922dcbc24f97bf4b_4.zip?outSR=%7B%22latestWkid%22%3A29902%2C%22wkid%22%3A29900%7D","download_url":"https://osni-spatialni.opendata.arcgis.com/datasets/a6590a6f628b4c8e922dcbc24f97bf4b_4.zip?outSR=%7B%22latestWkid%22%3A29902%2C%22wkid%22%3A29900%7D","media_type":"application/zip","format":"shp","byte_size":null,"license_id":null,"license_raw":null,"last_checked_at":"2026-08-12T08:11:28.673Z","is_available":true,"last_http_status":400,"created_at":"2026-07-25T21:56:31.762Z","updated_at":"2026-08-12T08:11:28.673Z"},{"id":"40aad236-2efa-416e-8da9-dbf8335cd0f7","dataset_details_id":"d6c993ed-c4d6-47b5-9a48-2371ae92aabb","title":"KML","description":null,"access_url":"https://osni-spatialni.opendata.arcgis.com/datasets/a6590a6f628b4c8e922dcbc24f97bf4b_4.kml?outSR=%7B%22latestWkid%22%3A29902%2C%22wkid%22%3A29900%7D","download_url":"https://osni-spatialni.opendata.arcgis.com/datasets/a6590a6f628b4c8e922dcbc24f97bf4b_4.kml?outSR=%7B%22latestWkid%22%3A29902%2C%22wkid%22%3A29900%7D","media_type":"application/vnd.google-earth.kml+xml","format":"kml","byte_size":null,"license_id":null,"license_raw":null,"last_checked_at":null,"is_available":null,"last_http_status":null,"created_at":"2026-07-25T21:56:31.924Z","updated_at":"2026-07-25T21:56:31.924Z"},{"id":"9da98384-26e3-4963-b3e8-5f1b1789c346","dataset_details_id":"d6c993ed-c4d6-47b5-9a48-2371ae92aabb","title":"Esri Rest API","description":null,"access_url":"https://services.spatialni.gov.uk/opendata/rest/services/OSNIVector/OSNIOpenData_Boundaries_50K/MapServer/4","download_url":"https://services.spatialni.gov.uk/opendata/rest/services/OSNIVector/OSNIOpenData_Boundaries_50K/MapServer/4","media_type":"application/json","format":"json","byte_size":null,"license_id":null,"license_raw":null,"last_checked_at":null,"is_available":null,"last_http_status":null,"created_at":"2026-07-25T21:56:32.091Z","updated_at":"2026-07-25T21:56:32.091Z"},{"id":"b4303561-78b3-4b4b-8276-4dedcbe4b606","dataset_details_id":"d6c993ed-c4d6-47b5-9a48-2371ae92aabb","title":"CSV","description":null,"access_url":"https://osni-spatialni.opendata.arcgis.com/datasets/a6590a6f628b4c8e922dcbc24f97bf4b_4.csv?outSR=%7B%22latestWkid%22%3A29902%2C%22wkid%22%3A29900%7D","download_url":"https://osni-spatialni.opendata.arcgis.com/datasets/a6590a6f628b4c8e922dcbc24f97bf4b_4.csv?outSR=%7B%22latestWkid%22%3A29902%2C%22wkid%22%3A29900%7D","media_type":"text/csv","format":"csv","byte_size":null,"license_id":null,"license_raw":null,"last_checked_at":null,"is_available":null,"last_http_status":null,"created_at":"2026-07-25T21:56:32.256Z","updated_at":"2026-07-25T21:56:32.256Z"}],"license":null},"license":{"id":"ogl-uk-3.0","spdx_id":null,"name":"UK Open Government Licence v3.0","url":"https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/","is_open":true,"is_redistributable":true,"requires_attribution":true,"category":"national","notes":null,"created_at":"2026-06-12T16:29:19.729Z"},"reuse":{"license_id":"ogl-uk-3.0","license_name":"UK Open Government Licence v3.0","license_url":"https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/","commercial_use":{"status":"yes","value":true},"redistribution":{"status":"yes","value":true},"attribution_required":{"status":"yes","value":true},"share_alike":{"status":"no","value":false},"personal_data_warning":{"status":"yes","value":true},"cache_and_mirror":{"status":"yes","value":true},"undetermined":[],"basis":"licence_text","confidence":0.95,"confidence_tier":"high","source_text":"Licence text: you are free to \"copy, publish, distribute and transmit the Information; adapt the Information; exploit the Information commercially and non-commercially\", provided you \"acknowledge the source of the Information in your product or application by including or linking to any attribution statement specified by the Information Provider(s)\". Exemptions: \"This licence does not cover: personal data in the Information ...\". The licence lists no share-alike obligation.","source_url":"https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/","reviewed_at":null},"license_raw":"https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/","latest_check":{"id":"cb2f1882-3f37-4826-824a-8917d219e9d5","entry_id":"0bcf7c18-c405-4626-b4d0-0221080c0097","status":"VERIFIED","last_checked_at":"2026-08-23T09:47:08.993Z","p50_latency_ms":1425,"p95_latency_ms":null,"last_error":null,"consecutive_failures":0,"created_at":"2026-07-09T13:12:46.294Z","updated_at":"2026-08-23T09:47:08.993Z","consecutive_successes":35,"probe_url":"https://osni-spatialni.opendata.arcgis.com/datasets/a6590a6f628b4c8e922dcbc24f97bf4b_4.geojson?outSR=%7B%22latestWkid%22%3A29902%2C%22wkid%22%3A29900%7D","probe_method":"GET","probe_http_status":400,"probe_content_type":"application/json; charset=utf-8","probe_succeeded_at":"2026-08-23T09:47:08.993Z"},"data_profile":{"id":"3db92266-da02-4748-973b-de716b44b1f1","entry_id":"0bcf7c18-c405-4626-b4d0-0221080c0097","profile_source":"ckan","profile_kind":"dataset","dataset_id":"osni-open-data-50k-boundaries-district-electoral-areas-19933","fields":[],"field_count":0,"sample_records":[],"record_count":null,"data_size_bytes":null,"dataset_count":null,"query_examples":[{"url":"https://data.gov.uk/api/3/action/package_show?id=osni-open-data-50k-boundaries-district-electoral-areas-19933","curl":"curl -s 'https://data.gov.uk/api/3/action/package_show?id=osni-open-data-50k-boundaries-district-electoral-areas-19933' -H 'Accept: application/json'","label":"Dataset metadata","method":"GET","description":"Full CKAN dataset record: resources, licence, organization, freshness."}],"status":"partial","error_message":null,"profiled_at":"2026-07-25T21:56:30.978Z","run_id":"95658516-c947-41ac-a3a3-73407f08a371","created_at":"2026-07-18T13:20:23.026Z","updated_at":"2026-07-25T21:56:30.978Z","license_raw":"https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/","license_id":"ogl-uk-3.0","consecutive_failure_count":0,"last_error_at":null,"last_error_message":null,"previewable":false},"datasets":[],"limits":[],"manifest":{"answer_sha256":"cd0723c3999d778f969dd3fda456329bec0cb6e31be9ad2aa113aa487349588e","answer_sha256_rule":"sha256 (hex, UTF-8) of JSON.stringify(this body) after deleting the keys listed in manifest.stamped_keys from manifest, and deleting manifest itself if it is then empty. The hash was computed before the stamp existed, so no field of the stamp is inside it.","stamped_keys":["answer_sha256","answer_sha256_rule","stamped_keys","row_count","row_count_basis","live","live_basis","created_at","created_at_basis","durable_citation"],"row_count":22,"row_count_basis":"Objects that are elements of a JSON array anywhere in this body, excluding manifest. Not a claim about which collection is the answer. Largest single collection: access.actions[] (8 rows).","live":true,"live_basis":"This body was produced by executing the request.","created_at":"2026-08-23T12:58:27.288Z","created_at_basis":"When this response body was assembled, deliberately OUTSIDE the hashed bytes so the same answer hashes identically on every request. Not the upstream read time — that is provenance[].retrieved_at. A zone-cached replay carries the assembly time, not your receipt time.","durable_citation":"This manifest is produced at response time and is NOT stored. A durable, replayable citation is persisted only on an explicit cite: GET /api/v1/entries/{id-or-slug}/evidence, or the MCP cite_query tool. Both are entry-scoped, because evidence_manifests is entry-shaped; a domain answer spanning several sources has no single entry and cannot be persisted through that path."}}