{"id":"b61d6b86-1a22-4646-b1ab-99772bfbc0b2","type":"API","name":"Archivale des Monats Stadt Aachen","slug":"archivale-des-monats-stadt-aachen","description":"Das Aachener Stadtarchiv zeigt aus seinen Magazinen regelmäßig interessante Stücke als Archivale des Monats. Das Archivale des Monats mit einem kurzen Begleittext wird entsprechend in einem Schaukasten im Foyer des Stadtarchivs am Reichsweg sowie digital auf der Homepage des Archivs präsentiert....","free_access_class":"FREE_NO_AUTH","auth_type":"NONE","homepage_url":"https://geoserver.aachen.de/opendata/stadtarchiv/ows?service=WFS&version=1.1.0&request=GetFeature&typeName=stadtarchiv:archivalie_des_monats&outputFormat=csv","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":"https://geoserver.aachen.de/opendata/stadtarchiv/ows?service=WFS&version=1.1.0&request=GetFeature&typeName=stadtarchiv:archivalie_des_monats&outputFormat=csv","extraction_confidence":"0.00","created_at":"2026-07-02T14:06:37.183Z","updated_at":"2026-10-01T10:19:50.660Z","last_verified_at":"2026-10-01T10:19:50.660Z","deprecated_at":null,"ranking_score":56,"last_ranked_at":"2026-09-22T13:13:05.746Z","last_seen_at":null,"last_validated_at":null,"last_uptime_at":null,"search_vector":"'a':233B,239B,259B 'aachen':5A,13A,15B,61B,146B,151A,159A,207B,292B 'aachen.it':141B,287B 'aachener':161B 'accompani':89B 'accompanying':235B 'al':24B 'allow':120B 'allows':266B 'als':170B 'am':191B 'and':249B,279B 'api':110B,256B 'archiv':6A,53B,64B,73B,98B,106B,125B,139B 'archival':1A,25B,29B,70B,271B 'archivale':147A,171B,175B,216B 'archive':152A,210B,219B,244B,252B,285B 'archivs':199B 'auf':49B,195B 'aus':18B,164B 'begleittext':35B,181B 'both':237B 'by':282B,290B 'case':95B,241B 'citi':11A,59B,138B 'city':157A,205B,284B 'csv':118B,264B 'curat':124B 'curated':270B 'das':14B,28B,160B,174B 'dataset':56B,202B 'der':50B,196B 'des':2A,26B,30B,43B,52B,71B,148A,172B,176B,189B,198B,217B 'digit':48B 'digital':194B 'display':94B,240B 'document':132B 'documents':278B 'each':228B 'einem':33B,39B,179B,185B 'entsprechend':37B,183B 'featur':69B 'featured':215B 'format':119B,265B 'foyer':42B,100B,188B,246B 'from':203B,225B 'getfeatur':115B 'getfeature':261B 'held':135B,281B 'highlight':126B 'highlights':272B 'histor':131B 'historical':277B 'hold':81B 'holdings':227B 'homepag':51B 'homepage':197B 'im':41B,187B 'in':184B,238B,242B,263B 'insight':128B,274B 'interessant':22B 'interessante':168B 'into':275B 'is':230B,288B 'item':7A,74B,83B,153A,220B,229B 'its':226B 'kurzen':34B,180B 'list':66B 'lists':212B 'magazinen':20B,166B 'mit':32B,178B 'monat':3A,27B,31B,72B 'monats':149A,173B,177B,218B 'month':10A,77B,156A,223B 'municip':63B 'municipal':209B 'notabl':130B 'notable':276B 'object':134B 'objects':280B 'of':154A,158A,206B,221B,268B,286B 'offer':127B 'offering':273B 'on':247B,250B 'prasentiert':200B 'present':85B 'presented':231B 'provid':111B 'provided':257B 'präsentiert':54B 'publish':143B 'published':289B 'regelmassig':167B 'regelmäßig':21B 'regular':68B 'regularly':214B 'reichsweg':46B,102B,192B,248B 'request':116B,262B 'retriev':121B 'retrieval':267B 's':208B,245B,253B 'schaukasten':40B,186B 'seinen':19B,165B 'select':78B 'selected':224B 'short':88B,234B 'sowi':47B 'sowie':193B 'stadt':4A,145B,150A,291B 'stadtarchiv':16B,44B,65B,162B,211B 'stadtarchivs':190B 'stucke':169B 'stücke':23B 'text':90B,236B 'the':155A,204B,213B,222B,243B,251B,255B,283B 'these':269B 'this':201B 'via':112B,258B 'websit':108B 'website':254B 'wfs':114B,260B 'wird':36B,182B 'with':232B 'zeigt':17B,163B","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":"2026-07-03T12:46:00.000Z","geographic_scope":"NATIONAL","name_en":"Archive Item of the Month – City of Aachen","description_en":"This dataset from the City of Aachen's municipal archive (Stadtarchiv) lists the regularly featured 'Archivale des Monats' (archive item of the month), selected from its holdings. Each item is presented with a short accompanying text, both in a display case in the archive's foyer on Reichsweg and on the archive's website. The API, provided via a WFS GetFeature request in CSV format, allows retrieval of these curated archival highlights, offering insight into notable historical documents and objects held by the city archive of Aachen.It is published by Stadt Aachen.","native_lang":"de","access_level":"direct","formats":[],"capability_tier":"live","trust_score":36.5,"merged_into_entry_id":null,"identity_key":"API|https://geoserver.aachen.de/opendata/stadtarchiv/ows?outputFormat=csv&request=GetFeature&service=WFS&typeName=stadtarchiv:archivalie_des_monats&version=1.1.0|archivale des monats stadt aachen","upstream_ref":null,"access":{"level":"direct","primary":{"kind":"query","label":"Query features","method":"GET","url":"https://geoserver.aachen.de/opendata/stadtarchiv/ows?service=WFS&version=2.0.0&request=GetFeature&typeNames=stadtarchiv%3Aarchivalie_des_monats&count=5&outputFormat=application%2Fjson","source":"query_example","runnable":true,"direct":true},"actions":[{"kind":"query","label":"Query features","method":"GET","url":"https://geoserver.aachen.de/opendata/stadtarchiv/ows?service=WFS&version=2.0.0&request=GetFeature&typeNames=stadtarchiv%3Aarchivalie_des_monats&count=5&outputFormat=application%2Fjson","source":"query_example","runnable":true,"direct":true},{"kind":"query","label":"GetFeature","method":"GET","url":"https://geoserver.aachen.de/opendata/stadtarchiv/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":"https://geoserver.aachen.de/opendata/stadtarchiv/ows?service=WFS&version=1.1.0&request=GetFeature&typeName=stadtarchiv:archivalie_des_monats&outputFormat=csv","source":"probe","runnable":true},{"kind":"query","label":"GetCapabilities","method":"GET","url":"https://geoserver.aachen.de/opendata/stadtarchiv/ows?service=WFS&version=2.0.0&request=GetCapabilities","source":"query_example","runnable":true,"direct":false}],"formats":[]},"maturity":{"entry_id":"b61d6b86-1a22-4646-b1ab-99772bfbc0b2","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":"2026-10-01T17:37:43.920Z"},"api_details":null,"dataset_details":{"id":"09d2e692-a903-438c-8644-3345a9d2fc7d","entry_id":"b61d6b86-1a22-4646-b1ab-99772bfbc0b2","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":"2026-07-09T14:18:06.367Z","updated_at":"2026-09-28T22:09:01.636Z","publisher":"Stadt Aachen","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":"9ae2f87c-28ed-49aa-b22d-ba2e57d9ff02","entry_id":"b61d6b86-1a22-4646-b1ab-99772bfbc0b2","status":"VERIFIED","last_checked_at":"2026-10-01T10:19:50.400Z","p50_latency_ms":1685,"p95_latency_ms":null,"last_error":null,"consecutive_failures":0,"created_at":"2026-07-03T04:05:43.626Z","updated_at":"2026-10-01T10:19:50.400Z","consecutive_successes":46,"probe_url":"https://geoserver.aachen.de/opendata/stadtarchiv/ows?service=WFS&version=1.1.0&request=GetFeature&typeName=stadtarchiv:archivalie_des_monats&outputFormat=csv","probe_method":"GET","probe_http_status":200,"probe_content_type":"text/csv;charset=UTF-8","probe_succeeded_at":"2026-10-01T10:19:50.400Z"},"data_profile":{"id":"dc73d6bc-b445-40fa-b215-72aac9e7bcee","entry_id":"b61d6b86-1a22-4646-b1ab-99772bfbc0b2","profile_source":"wfs","profile_kind":"dataset","dataset_id":null,"fields":[{"name":"wkb_geometry","type":"geometry","label":null,"container":"stadtarchiv:archivalie_des_monats","description":null,"description_en":"Geometric location point of the archival item, in WKB format."},{"name":"id","type":"int","label":null,"container":"stadtarchiv:archivalie_des_monats","description":null,"description_en":"Unique identifier of the archive-of-the-month record."},{"name":"name_titel","type":"string","label":null,"container":"stadtarchiv:archivalie_des_monats","description":null,"description_en":"Title or name of the featured archival item."},{"name":"adresse_or","type":"string","label":null,"container":"stadtarchiv:archivalie_des_monats","description":null,"description_en":"Address or place associated with the archival item."},{"name":"georeferen","type":"string","label":null,"container":"stadtarchiv:archivalie_des_monats","description":null,"description_en":"Georeferenced coordinates of the associated location."},{"name":"link_zu_da","type":"string","label":null,"container":"stadtarchiv:archivalie_des_monats","description":null,"description_en":"Link to the item's detail page on the city archive website."},{"name":"erlaeutern","type":"string","label":null,"container":"stadtarchiv:archivalie_des_monats","description":null,"description_en":"Explanatory text describing the archival item."},{"name":"x","type":"int","label":null,"container":"stadtarchiv:archivalie_des_monats","description":null,"description_en":"X coordinate of the location in the projected coordinate system."},{"name":"y","type":"int","label":null,"container":"stadtarchiv:archivalie_des_monats","description":null,"description_en":"Y coordinate of the location in the projected coordinate system."}],"field_count":9,"sample_records":[{"x":294408,"y":5628828,"id":2,"adresse_or":"Domhof 1","erlaeutern":"\"Am 17. September 1929 konnte am Himmel über Aachen das Luftschiff \nLZ 127 \"\"Graf Zeppelin\"\" bestaunt werden. Auf der Rückfahrt von einer Weltreise überflog es die Altstadt und den Dom.\"","georeferen":"294408 5628828","link_zu_da":"http://www.aachen.de/de/kultur_freizeit/kultur/stadtarchiv/archivalie_monat/archivalie04.html","name_titel":"Luftschiff \"Graf Zeppelin\""},{"x":293534,"y":5629808,"id":4,"adresse_or":"Bendplatz","erlaeutern":"Am 11. März 1927 beschloss die Stadtverordneten-Versammlung die Anlage eines Geländes speziell für die Durchführung von „Volksbelustigungen“ in der Nähe des Westbahnhofs. Mit Ratsbeschluss vom 27. Juli 1927 erhielt dieser Platz den Namen \"Aachener Bend\".","georeferen":"293534 5629808","link_zu_da":"http://www.aachen.de/de/kultur_freizeit/kultur/stadtarchiv/archivalie_monat/archivalie09.html","name_titel":"Aachener Bend"},{"x":296863,"y":5628600,"id":5,"adresse_or":"Elsaßstraße 58","erlaeutern":"Ab 1962 wurde auf dem Gelände der ehemaligen Gelben Kaserne eine Grünanlage als \"Ostpark\" geplant. In Erinnerung an den 1963 ermordeten US-Präsidenten John F. Kennedy wurde der Park am 17. September 1966 aber als Kennedypark eingeweiht.","georeferen":"296863 5628600","link_zu_da":"http://www.aachen.de/de/kultur_freizeit/kultur/stadtarchiv/archivalie_monat/archivalie10.html","name_titel":"Kennedypark"}],"record_count":null,"data_size_bytes":null,"dataset_count":1,"query_examples":[{"url":"https://geoserver.aachen.de/opendata/stadtarchiv/ows?service=WFS&version=2.0.0&request=GetCapabilities","curl":"curl -s 'https://geoserver.aachen.de/opendata/stadtarchiv/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":"https://geoserver.aachen.de/opendata/stadtarchiv/ows?service=WFS&version=2.0.0&request=GetFeature&typeNames=stadtarchiv%3Aarchivalie_des_monats&count=5&outputFormat=application%2Fjson","curl":"curl -s 'https://geoserver.aachen.de/opendata/stadtarchiv/ows?service=WFS&version=2.0.0&request=GetFeature&typeNames=stadtarchiv%3Aarchivalie_des_monats&count=5&outputFormat=application%2Fjson' -H 'Accept: application/json'","label":"Query features","method":"GET","description":"Fetch features from the profiled layer (stadtarchiv:archivalie_des_monats) as GeoJSON."},{"url":"https://geoserver.aachen.de/opendata/stadtarchiv/ows?service=WFS&version=2.0.0&request=GetFeature&typeNames=%3Cfeature+type%3E&count=5&outputFormat=application%2Fjson","curl":"curl -s 'https://geoserver.aachen.de/opendata/stadtarchiv/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":"2026-09-28T22:09:00.776Z","run_id":"de49f3db-54d4-4294-a4b1-1b72fae6eddc","created_at":"2026-07-02T14:14:09.294Z","updated_at":"2026-09-28T22:09:00.776Z","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":"9ef7e011d0eafa9bd6c13f2c64e9f5947d7a33ae4ffb6a22e42e472e43cf85d8","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":26,"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[] (9 rows).","live":true,"live_basis":"This body was produced by executing the request.","created_at":"2026-10-01T17:37:43.940Z","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."}}