{"id":"22fec4c9-d92a-41f3-a039-80c180ed6965","type":"API","name":"Baumkataster Stadt Aachen","slug":"baumkataster-stadt-aachen","description":"Das Baumkataster der Stadt Aachen setz sich aus zwei Teildatensätzen zusammen. Der überwiegende Teil der Bäume im öffentlichen Raum wird durch den Aachener Stadtbetrieb abgedeckt (ca. 120.000 Bäume). Ergänzt wird dieser Bestand durch eine Zusammenstellung von etwa 300 Bäumen welche als Naturdenkm...","free_access_class":"FREE_NO_AUTH","auth_type":"NONE","homepage_url":"http://geoserver.aachen.de/opendata/baumkataster_planansicht/ows?SERVICE=WMS&REQUEST=GetCapabilities","docs_url":null,"repo_url":null,"status":"ACTIVE","verification_state":"VERIFIED","tags":[],"logo_url":"https://www.google.com/s2/favicons?sz=64&domain=geoserver.aachen.de","primary_source_url":"http://geoserver.aachen.de/opendata/baumkataster_planansicht/ows?SERVICE=WMS&REQUEST=GetCapabilities","extraction_confidence":"0.00","created_at":"2026-07-02T14:06:38.846Z","updated_at":"2026-10-01T11:12:19.010Z","last_verified_at":"2026-10-01T11:12:19.010Z","deprecated_at":null,"ranking_score":56,"last_ranked_at":"2026-09-22T13:14:01.292Z","last_seen_at":null,"last_validated_at":null,"last_uptime_at":null,"search_vector":"'000':100B,248B '120':99B,247B '120.000':37B,185B '300':48B,108B,196B,256B 'a':251B 'aachen':3A,10A,15B,33B,66B,93B,151A,158A,163B,214B,241B 'aachener':181B 'abgedeckt':35B,183B 'access':57B,205B 'al':51B 'als':199B 'and':223B,244B,250B,273B,275B,294B 'api':55B,203B 'applic':145B 'applications':293B 'around':98B,246B 'as':259B,287B 'aus':18B,166B 'baume':174B,186B 'baumen':197B 'baumkatast':1A,12B 'baumkataster':149A,160B 'be':277B 'bestand':42B,190B 'by':216B,239B 'bäume':26B,38B 'bäumen':49B 'ca':36B,184B 'can':276B 'citi':8A,64B,70B 'city':156A,212B,218B 'classif':126B 'classification':274B 'collect':105B 'collection':253B 'combin':80B 'combines':228B 'compris':97B 'comprising':245B 'das':11B,159B 'data':118B,266B 'dataset':82B 'datasets':230B 'den':32B,180B 'depart':72B 'department':220B 'der':13B,22B,25B,161B,170B,173B 'design':110B 'designated':258B 'dieser':41B,189B 'durch':31B,43B,179B,191B 'ein':44B 'eine':192B 'erganzt':187B 'ergänzt':39B 'etwa':47B,195B 'expos':116B 'exposes':264B 'for':289B 'geoinform':74B 'geoinformation':222B 'geospati':117B 'geospatial':265B 'getcap':140B 'getcapabilities':288B 'gis':144B,292B 'im':27B,175B 'in':235B,291B 'includ':122B 'including':270B 'individu':120B 'individual':268B 'land':76B,224B 'locat':124B 'location':272B 'maintain':90B 'maintained':238B 'major':84B 'majority':232B 'manag':77B 'management':225B 'map':135B,283B 'monument':113B 'monuments':261B 'municip':94B,147B 'municipal':242B,295B 'natur':112B 'natural':260B 'naturdenkm':52B,200B 'of':154A,157A,210B,213B,221B,233B,254B 'offentlichen':176B 'ogc':133B,281B 'on':267B 'plan':148B 'planning':296B 'provid':56B 'provides':204B 'public':88B,236B 'publish':67B 'published':215B 'queri':130B 'queried':278B 'raum':29B,177B 'regist':5A,61B,79B 'register':153A,209B,227B 'request':137B 'requests':285B 'rough':107B 'roughly':255B 's':219B 'servic':95B,115B,136B 'service':263B,284B 'services':243B 'setz':16B,164B 'sich':17B,165B 'space':89B,237B 'stadt':2A,14B,150A,162B 'stadtbetrieb':34B,182B 'standard':132B,280B 'such':286B 'supplementari':104B 'supplementary':252B 'teil':24B,172B 'teildatensatzen':168B 'teildatensätzen':20B 'the':155A,207B,211B,217B,226B,231B,240B,262B 'their':271B 'this':201B 'to':206B 'tree':4A,60B,86B,101B,109B,121B,152A,208B 'trees':234B,249B,257B,269B 'two':81B,229B 'uberwiegende':171B 'use':142B,290B 'via':131B,279B 'von':46B,194B 'web':134B,282B 'welch':50B 'welche':198B 'wird':30B,40B,178B,188B 'wms':54B,202B 'zusammen':21B,169B 'zusammenstellung':45B,193B 'zwei':19B,167B 'öffentlichen':28B 'überwiegend':23B","popularity_score":"0.0000","maintenance_score":"0.7000","institution_id":null,"institution_type":null,"country_code":"DE","official_confidence":0,"proof_summary":"Confidence: 0%","source_seed_url":null,"is_public_sector":true,"published_at":"2026-07-03T10:43:36.956Z","geographic_scope":"NATIONAL","name_en":"Tree Register of the City of Aachen","description_en":"This WMS API provides access to the tree register of the city of Aachen, published by the city's Department of Geoinformation and Land Management. The register combines two datasets: the majority of trees in public space, maintained by the Aachen municipal services and comprising around 120,000 trees, and a supplementary collection of roughly 300 trees designated as natural monuments. The service exposes geospatial data on individual trees, including their location and classification, and can be queried via standard OGC Web Map Service requests such as GetCapabilities for use in GIS applications and municipal planning.","native_lang":"de","access_level":"direct","formats":[],"capability_tier":"live","trust_score":36.5,"merged_into_entry_id":null,"identity_key":"API|http://geoserver.aachen.de/opendata/baumkataster_planansicht/ows?REQUEST=GetCapabilities&SERVICE=WMS|baumkataster stadt aachen","upstream_ref":null,"access":{"level":"direct","primary":{"kind":"query","label":"Query features","method":"GET","url":"http://geoserver.aachen.de/opendata/baumkataster_planansicht/ows?service=WFS&version=2.0.0&request=GetFeature&typeNames=baumkataster_planansicht%3Abaumkataster_planansicht&count=5&outputFormat=application%2Fjson","source":"query_example","runnable":true,"direct":true},"actions":[{"kind":"query","label":"Query features","method":"GET","url":"http://geoserver.aachen.de/opendata/baumkataster_planansicht/ows?service=WFS&version=2.0.0&request=GetFeature&typeNames=baumkataster_planansicht%3Abaumkataster_planansicht&count=5&outputFormat=application%2Fjson","source":"query_example","runnable":true,"direct":true},{"kind":"query","label":"GetFeature","method":"GET","url":"http://geoserver.aachen.de/opendata/baumkataster_planansicht/ows?service=WFS&version=2.0.0&request=GetFeature&typeNames=%3Cfeature+type%3E&count=5&outputFormat=application%2Fjson","source":"query_example","runnable":true,"direct":true},{"kind":"query","label":"Run verified request","method":"GET","url":"http://geoserver.aachen.de/opendata/baumkataster_planansicht/ows?SERVICE=WMS&REQUEST=GetCapabilities","source":"probe","runnable":true},{"kind":"query","label":"GetCapabilities","method":"GET","url":"http://geoserver.aachen.de/opendata/baumkataster_planansicht/ows?service=WFS&version=2.0.0&request=GetCapabilities","source":"query_example","runnable":true,"direct":false}],"formats":[]},"maturity":{"entry_id":"22fec4c9-d92a-41f3-a039-80c180ed6965","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":"executable","level_index":4,"level_label":"Executable","meaning":"Queries run through Commodity","counts_as_coverage":true,"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":true,"reached":true,"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":true,"reached":true,"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":"geoserver.aachen.de","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":"2026-10-01T15:31:31.751Z"},"api_details":null,"dataset_details":{"id":"807cc8b1-4063-406a-8e59-3e4f6e5e7b7f","entry_id":"22fec4c9-d92a-41f3-a039-80c180ed6965","upstream_issued":null,"upstream_modified":null,"themes":[],"update_frequency":null,"temporal_start":null,"temporal_end":null,"spatial_coverage":null,"landing_page":null,"license_id":null,"license_raw":null,"has_documentation":false,"has_data_dictionary":false,"has_versioning":false,"source_portal":null,"source_portal_url":null,"created_at":"2026-07-09T07:57:07.448Z","updated_at":"2026-09-29T20:53:23.479Z","publisher":"Stadt Aachen, Fachbereich Geoinformation und Bodenordnung","publisher_url":null,"distributions":[],"license":null},"license":null,"reuse":{"license_id":null,"license_name":null,"license_url":null,"commercial_use":{"status":"unknown","value":null},"redistribution":{"status":"unknown","value":null},"attribution_required":{"status":"unknown","value":null},"share_alike":{"status":"unknown","value":null},"personal_data_warning":{"status":"unknown","value":null},"cache_and_mirror":{"status":"unknown","value":null},"undetermined":["commercial_use","redistribution","attribution_required","share_alike","personal_data_warning","cache_and_mirror"],"basis":"unverified","confidence":0.1,"confidence_tier":"low","source_text":null,"source_url":null,"reviewed_at":null},"license_raw":null,"latest_check":{"id":"8da2267f-1b3a-4062-b620-08ab1d9d0256","entry_id":"22fec4c9-d92a-41f3-a039-80c180ed6965","status":"VERIFIED","last_checked_at":"2026-10-01T11:12:18.701Z","p50_latency_ms":3198,"p95_latency_ms":null,"last_error":null,"consecutive_failures":0,"created_at":"2026-07-03T04:05:45.239Z","updated_at":"2026-10-01T11:12:18.701Z","consecutive_successes":55,"probe_url":"http://geoserver.aachen.de/opendata/baumkataster_planansicht/ows?SERVICE=WMS&REQUEST=GetCapabilities","probe_method":"GET","probe_http_status":200,"probe_content_type":"text/xml","probe_succeeded_at":"2026-10-01T11:12:18.701Z"},"data_profile":{"id":"20bb7a35-4cad-4f18-ad8e-ad19105ce429","entry_id":"22fec4c9-d92a-41f3-a039-80c180ed6965","profile_source":"wfs","profile_kind":"dataset","dataset_id":null,"fields":[{"name":"objectid","type":"int","label":null,"container":"baumkataster_planansicht:baumkataster_planansicht","description":null,"description_en":"Internal record identifier."},{"name":"baumnummer","type":"string","label":null,"container":"baumkataster_planansicht:baumkataster_planansicht","description":null,"description_en":"Unique tree number in the tree register."},{"name":"objekt","type":"string","label":null,"container":"baumkataster_planansicht:baumkataster_planansicht","description":null,"description_en":"Name of the site or street section where the tree is located."},{"name":"baumartschluessel","type":"string","label":null,"container":"baumkataster_planansicht:baumkataster_planansicht","description":null,"description_en":"Code identifying the tree species."},{"name":"baumart","type":"string","label":null,"container":"baumkataster_planansicht:baumkataster_planansicht","description":null,"description_en":"General tree type, e.g. deciduous or coniferous."},{"name":"gattung","type":"string","label":null,"container":"baumkataster_planansicht:baumkataster_planansicht","description":null,"description_en":"Botanical genus and species name of the tree."},{"name":"kronendurchmesser","type":"decimal","label":null,"container":"baumkataster_planansicht:baumkataster_planansicht","description":null,"description_en":"Diameter of the tree's crown, in metres."},{"name":"baumhoehe","type":"decimal","label":null,"container":"baumkataster_planansicht:baumkataster_planansicht","description":null,"description_en":"Height of the tree, in metres."},{"name":"stammumfang","type":"decimal","label":null,"container":"baumkataster_planansicht:baumkataster_planansicht","description":null,"description_en":"Circumference of the tree trunk, in centimetres."},{"name":"stammdurchmesser","type":"int","label":null,"container":"baumkataster_planansicht:baumkataster_planansicht","description":null,"description_en":"Diameter of the tree trunk, in centimetres."},{"name":"pflanzjahr","type":"int","label":null,"container":"baumkataster_planansicht:baumkataster_planansicht","description":null,"description_en":"Year the tree was planted."},{"name":"rechtswert","type":"double","label":null,"container":"baumkataster_planansicht:baumkataster_planansicht","description":null,"description_en":"Easting coordinate of the tree's location."},{"name":"hochwert","type":"double","label":null,"container":"baumkataster_planansicht:baumkataster_planansicht","description":null,"description_en":"Northing coordinate of the tree's location."},{"name":"wkb_geometry","type":"geometry","label":null,"container":"baumkataster_planansicht:baumkataster_planansicht","description":null,"description_en":"Geographic location of the tree as spatial geometry."}],"field_count":14,"sample_records":[{"objekt":"Lammertzpark (137)","baumart":"Laubbaum","gattung":"Carpinus betulus, Gemeine Hainbuche","hochwert":5629735.167002357,"objectid":70142,"baumhoehe":18,"baumnummer":" 750","pflanzjahr":null,"rechtswert":294602.2241291788,"stammumfang":283,"stammdurchmesser":90,"baumartschluessel":"1070","kronendurchmesser":15},{"objekt":"Ludwig-Forum F.-Jülicher Straße 97/109 (82)","baumart":"Laubbaum","gattung":"Prunus domestica, Kultur-Pflaume (Zwetschge)","hochwert":5629554.011481193,"objectid":70148,"baumhoehe":5,"baumnummer":" 1000","pflanzjahr":null,"rechtswert":295620.65771307854,"stammumfang":35,"stammdurchmesser":11,"baumartschluessel":"1070","kronendurchmesser":2},{"objekt":"Sportplatz Oberdorfstraße - Horbach (1725)","baumart":"Laubbaum","gattung":"Prunus padus, Trauben-Kirsche","hochwert":5635173.3366239155,"objectid":70184,"baumhoehe":9,"baumnummer":" 550","pflanzjahr":null,"rechtswert":291681.8154227986,"stammumfang":69,"stammdurchmesser":22,"baumartschluessel":"1070","kronendurchmesser":3}],"record_count":null,"data_size_bytes":null,"dataset_count":1,"query_examples":[{"url":"http://geoserver.aachen.de/opendata/baumkataster_planansicht/ows?service=WFS&version=2.0.0&request=GetCapabilities","curl":"curl -s 'http://geoserver.aachen.de/opendata/baumkataster_planansicht/ows?service=WFS&version=2.0.0&request=GetCapabilities' -H 'Accept: application/json'","label":"GetCapabilities","method":"GET","description":"List the feature types (layers) and supported operations."},{"url":"http://geoserver.aachen.de/opendata/baumkataster_planansicht/ows?service=WFS&version=2.0.0&request=GetFeature&typeNames=baumkataster_planansicht%3Abaumkataster_planansicht&count=5&outputFormat=application%2Fjson","curl":"curl -s 'http://geoserver.aachen.de/opendata/baumkataster_planansicht/ows?service=WFS&version=2.0.0&request=GetFeature&typeNames=baumkataster_planansicht%3Abaumkataster_planansicht&count=5&outputFormat=application%2Fjson' -H 'Accept: application/json'","label":"Query features","method":"GET","description":"Fetch features from the profiled layer (baumkataster_planansicht:baumkataster_planansicht) as GeoJSON."},{"url":"http://geoserver.aachen.de/opendata/baumkataster_planansicht/ows?service=WFS&version=2.0.0&request=GetFeature&typeNames=%3Cfeature+type%3E&count=5&outputFormat=application%2Fjson","curl":"curl -s 'http://geoserver.aachen.de/opendata/baumkataster_planansicht/ows?service=WFS&version=2.0.0&request=GetFeature&typeNames=%3Cfeature+type%3E&count=5&outputFormat=application%2Fjson' -H 'Accept: application/json'","label":"GetFeature","method":"GET","description":"Fetch records for a feature type as GeoJSON (replace <feature type> with a Name from GetCapabilities)."}],"status":"ok","error_message":null,"profiled_at":"2026-09-29T20:53:22.658Z","run_id":"ef0bbd93-e125-477f-9aca-0ff5e1b4e363","created_at":"2026-07-02T14:14:10.651Z","updated_at":"2026-09-29T20:53:22.658Z","license_raw":null,"license_id":null,"consecutive_failure_count":0,"last_error_at":null,"last_error_message":null,"previewable":true,"personal_data":{"status":"none","basis":"no_person_column_cited","grain":"none","allowed":true,"columns":{"direct_identifiers":[],"family_names":[],"given_names":[],"attributes":[],"unresolved_names":[],"measures":[],"entity_identifiers":[]},"publication":null,"publication_evidence":null,"notice":"personal data: no cited column names a natural person (the cited columns are all this reads)"}},"datasets":[],"limits":[],"manifest":{"answer_sha256":"5cf1cb6fd11f03ce905597bd2aaca0bd1c90297f95c61e8188884052531426f9","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":31,"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: data_profile.fields[] (14 rows).","live":true,"live_basis":"This body was produced by executing the request.","created_at":"2026-10-01T15:31:31.773Z","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."}}