{"id":"4e335c69-7d0e-4929-950b-67fcb9a0948c","type":"DATASET","name":"European Central Bank — Commercial Property Price Statistics (CPP)","slug":"ecb-commercial-property-price-statistics-cpp","description":"Commercial Property Price Statistics (CPP) — official time series from the European Central Bank Data Portal, published as the CPP dataflow over SDMX 2.1 REST. One endpoint serves XML (SDMX-ML), CSV (?format=csvdata) and JSON (?format=jsondata); extract exactly the series you need with a key path and startPeriod / endPeriod / lastNObservations filters. 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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":"per_item_proven","label":"Proven for this item: its own proof signals scored >= 80 AND it matched a registered public institution, so it would have been APPROVED on its own evidence.","proof_confidence":95,"proven_threshold":80,"institution_id":"eab3ebe3-a519-43d8-a676-4192af61f357","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":"data-api.ecb.europa.eu","label":"One unit = one source family, approximated by the serving host of the entry's primary source URL (e.g. bdl.stat.gov.pl). 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Never compare or combine with the entry 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appears."},{"name":"PUBL_PUBLIC","role":"field","type":"attribute","label":"Source publication (public)","filterable":false,"description":null,"description_en":"Reference to the public source publication of the series."},{"name":"UNIT_INDEX_BASE","role":"field","type":"attribute","label":"Unit index base","filterable":false,"description":null,"description_en":"Base period or value used for the index."},{"name":"COMPILATION","role":"field","type":"attribute","label":"Compilation","filterable":false,"description":null,"description_en":"Notes on how the series was compiled."},{"name":"COVERAGE","role":"field","type":"attribute","label":"Coverage","filterable":false,"description":null,"description_en":"Description of the scope or coverage of the series."},{"name":"DECIMALS","role":"field","type":"attribute","label":"Decimals","filterable":false,"description":null,"description_en":"Number of decimal places used in the observation value."},{"name":"SOURCE_AGENCY","role":"field","type":"attribute","label":"Source agency","filterable":false,"description":null,"description_en":"Agency that originally provided the source data."},{"name":"SOURCE_PUB","role":"field","type":"attribute","label":"Publication source","filterable":false,"description":null,"description_en":"Publication from which the source data originates."},{"name":"TITLE","role":"field","type":"attribute","label":"Title","filterable":false,"description":null,"description_en":"Title of the data series."},{"name":"TITLE_COMPL","role":"field","type":"attribute","label":"Title complement","filterable":false,"description":null,"description_en":"Additional descriptive title information for the series."},{"name":"UNIT","role":"field","type":"attribute","label":"Unit","filterable":false,"description":null,"description_en":"Unit of measurement for the observation value."},{"name":"UNIT_MULT","role":"field","type":"attribute","label":"Unit 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SDMX-ML."},{"url":"https://data-api.ecb.europa.eu/service/dataflow/ECB/CPP?references=all","curl":"curl -s 'https://data-api.ecb.europa.eu/service/dataflow/ECB/CPP?references=all' -H 'Accept: application/vnd.sdmx.structure+xml;version=2.1'","label":"Dataflow structure","method":"GET","description":"Full structure of the CPP dataflow: dimensions, code lists, attributes."},{"url":"https://data-api.ecb.europa.eu/service/data/CPP/all?lastNObservations=5&format=jsondata","curl":"curl -s 'https://data-api.ecb.europa.eu/service/data/CPP/all?lastNObservations=5&format=jsondata'","label":"Fetch observations (JSON)","method":"GET","description":"Latest observations as SDMX-JSON (the response embeds the dimension structure). Add a key like /data/CPP/D.USD.EUR.SP00.A to select a series."}],"status":"ok","error_message":null,"profiled_at":"2026-10-15T14:24:04.218Z","run_id":"6bfb68c6-f670-4c40-a90e-2a5d6082566e","created_at":"2026-07-19T21:19:04.696Z","updated_at":"2026-10-15T14:24:04.218Z","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":["OBS_VALUE"],"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":"c8c88942b49420db4e83afac75ae74e5359e8aedf84d587be76432424953d7bb","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":48,"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[] (30 rows).","live":false,"live_basis":"This body was replayed from the worker edge cache (x-edge-cache: hit); the bytes, and therefore answer_sha256, are those of the execution that filled the cache.","created_at":"2026-10-17T05:55:56.143Z","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."}}