{"id":"2a8fa275-cbc6-4937-ac3a-3b7253dc4192","type":"API","name":"Digital topographic map 1 : 50 000 (1993-2005)","slug":"digital-topographic-map-1-50-000-1993-2005","description":"The DTK50 (1993-2005) is a historical database and consists of georeferenced raster data from the scanned topographic map 1 : 50 000 (formerly referred to as DTK50-V in Brandenburg). The standard resolution is 200L/cm = 508dpi. The data is provided free of charge via automated procedures or by means of self-extraction. When using the data, the license conditions must be observed.","free_access_class":"FREE_NO_AUTH","auth_type":"NONE","homepage_url":null,"docs_url":null,"repo_url":"https://isk.geobasis-bb.de/mapproxy/dtk50_1993_2005_farbe/service/wms?REQUEST=GetCapabilities&SERVICE=WMS","status":"ACTIVE","verification_state":"VERIFIED","tags":[],"logo_url":"https://www.google.com/s2/favicons?sz=64&domain=isk.geobasis-bb.de","primary_source_url":"https://isk.geobasis-bb.de/mapproxy/dtk50_1993_2005_farbe/service/wms?REQUEST=GetCapabilities&SERVICE=WMS","extraction_confidence":"0.16","created_at":"2026-07-30T13:32:34.266Z","updated_at":"2026-10-12T20:48:44.115Z","last_verified_at":"2026-10-12T18:14:26.312Z","deprecated_at":null,"ranking_score":34,"last_ranked_at":"2026-10-03T10:08:50.024Z","last_seen_at":null,"last_validated_at":null,"last_uptime_at":null,"search_vector":"'-2005':8A,12B,90B,166A,170B,248B '000':6A,30B,84B,164A,188B,242B '1':4A,28B,82B,162A,186B,240B '1993':7A,11B,89B,165A,169B,247B '200l/cm':44B,118B,202B,276B '50':5A,29B,83B,163A,187B,241B '508':119B,277B '508dpi':45B,203B 'a':172B,234B,272B,304B 'and':175B,312B 'applic':140B 'applicable':298B 'as':192B,252B,303B 'at':239B,271B 'autom':54B,130B 'automated':212B,288B 'avail':125B 'available':283B 'be':229B 'brandenburg':39B,99B,197B,257B 'by':215B 'cartograph':155B 'cartographic':313B 'chang':156B 'change':314B 'charg':52B,128B 'charge':210B,286B 'condit':69B,142B 'conditions':227B,300B 'consist':18B,101B 'consists':176B,259B 'cover':86B 'covering':244B 'data':22B,47B,66B,105B,122B,180B,205B,224B,263B,280B 'databas':16B 'database':174B 'dataset':74B,232B 'digit':1A,78B 'digital':159A,236B 'download':131B,289B 'dpi':120B,278B 'dtk50':10B,36B,96B,168B,194B,254B 'dtk50-v':35B,95B,193B,253B 'extract':62B,136B 'extracting':294B 'extraction':220B 'featur':153B 'features':311B 'file':137B 'files':295B 'for':306B 'former':31B,91B 'formerly':189B,249B 'free':50B,126B,208B,284B 'from':181B,265B 'georeferenc':20B,103B 'georeferenced':178B,261B 'histor':15B,77B,149B 'historical':173B,235B,307B 'in':196B,256B 'is':171B,201B,206B,281B 'it':258B,301B 'land':150B,308B 'licens':68B,141B 'license':226B,299B 'made':124B,282B 'map':3A,27B,80B,112B,161A,185B,238B 'maps':270B 'mean':58B 'means':216B 'must':70B,228B 'observ':72B 'observed':230B 'of':177B,209B,217B,260B,275B,285B 'or':214B,291B 'origin':109B 'original':267B 'over':315B 'period':88B,246B 'print':110B 'printed':268B 'procedur':55B,132B 'procedures':213B,290B 'provid':49B,75B 'provided':207B 'provides':233B 'raster':21B,104B,179B,262B 'refer':32B,92B,147B 'reference':305B 'referred':190B,250B 'resolut':42B,116B 'resolution':200B,274B 'scale':85B,243B 'scan':25B,106B 'scanned':183B,264B 'self':61B,135B,219B,293B 'self-extract':60B,134B 'self-extracting':292B 'self-extraction':218B 'serv':144B 'serves':302B 'standard':41B,115B,199B,273B 'subject':138B,296B 'terrain':152B,310B 'the':167B,182B,198B,204B,223B,225B,245B,266B,279B 'this':231B 'through':287B 'time':158B,316B 'to':191B,251B,297B 'topograph':2A,26B,79B,111B 'topographic':160A,184B,237B,269B 'use':64B,151B,309B 'using':222B 'v':37B,97B,195B,255B 'via':53B,211B 'when':221B","popularity_score":"0.0000","maintenance_score":"0.5000","institution_id":null,"institution_type":null,"country_code":null,"official_confidence":null,"proof_summary":null,"source_seed_url":null,"is_public_sector":true,"published_at":"2026-07-31T15:31:49.911Z","geographic_scope":"NATIONAL","name_en":null,"description_en":"This dataset provides a historical digital topographic map at 1:50,000 scale, covering the period 1993-2005 (formerly referred to as DTK50-V in Brandenburg). It consists of georeferenced raster data scanned from the original printed topographic maps, at a standard resolution of 200L/cm (508 dpi). The data is made available free of charge through automated download procedures or self-extracting files, subject to applicable license conditions. It serves as a reference for historical land use, terrain features, and cartographic change over time.","native_lang":"en","access_level":"direct","formats":[],"capability_tier":"reference","trust_score":35.83333333333333,"merged_into_entry_id":null,"identity_key":"API|https://isk.geobasis-bb.de/mapproxy/dtk50_1993_2005_farbe/service/wms?REQUEST=GetCapabilities&SERVICE=WMS|digital topographic map 1 : 50 000 (1993-2005)","upstream_ref":null,"content_changed_at":null,"title_qualifier":null,"access":{"level":"direct","primary":{"kind":"query","label":"Run verified request","method":"GET","url":"https://isk.geobasis-bb.de/mapproxy/dtk50_1993_2005_farbe/service/wms?REQUEST=GetCapabilities&SERVICE=WMS","source":"probe","runnable":true},"actions":[{"kind":"query","label":"Run verified request","method":"GET","url":"https://isk.geobasis-bb.de/mapproxy/dtk50_1993_2005_farbe/service/wms?REQUEST=GetCapabilities&SERVICE=WMS","source":"probe","runnable":true}],"formats":[]},"maturity":{"entry_id":"2a8fa275-cbc6-4937-ac3a-3b7253dc4192","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":null,"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":"isk.geobasis-bb.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":"2026-10-12T22:46:50.398Z"},"api_details":null,"dataset_details":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":"ec0c8368-0f04-4e4d-8b2e-a1bfc09b6b4f","entry_id":"2a8fa275-cbc6-4937-ac3a-3b7253dc4192","status":"VERIFIED","last_checked_at":"2026-10-12T18:14:26.067Z","p50_latency_ms":2743,"p95_latency_ms":null,"last_error":null,"consecutive_failures":0,"created_at":"2026-07-30T13:36:19.636Z","updated_at":"2026-10-12T18:14:26.067Z","consecutive_successes":287,"probe_url":"https://isk.geobasis-bb.de/mapproxy/dtk50_1993_2005_farbe/service/wms?REQUEST=GetCapabilities&SERVICE=WMS","probe_method":"GET","probe_http_status":200,"probe_content_type":"text/xml; charset=utf-8","probe_succeeded_at":"2026-10-12T18:14:26.067Z"},"data_profile":{"id":"30df770e-cbdb-4af4-9f77-4a0701e8b00d","entry_id":"2a8fa275-cbc6-4937-ac3a-3b7253dc4192","profile_source":"wms","profile_kind":"service","dataset_id":null,"fields":null,"field_count":null,"sample_records":null,"record_count":null,"data_size_bytes":null,"dataset_count":null,"query_examples":null,"status":"unsupported","error_message":"WMS has no tabular field schema (imagery/coverage/tiles)","profiled_at":"2026-10-03T13:28:45.289Z","run_id":"ced45bcf-3676-4824-8815-630c9c973e8a","created_at":"2026-07-30T13:36:25.983Z","updated_at":"2026-10-03T13:28:45.289Z","license_raw":null,"license_id":null,"consecutive_failure_count":0,"last_error_at":null,"last_error_message":null,"previewable":false,"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":"67437b45c68f291479188d9a0a62c117cf6e91f8c4a3000f3d94ec8d1893ff80","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":8,"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: maturity.rungs[] (7 rows).","live":true,"live_basis":"This body was produced by executing the request.","created_at":"2026-10-12T22:46:50.405Z","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."}}