{
  "format": "AsianMall recovered historical contact evidence v1",
  "prepared_on": "2026-10-15",
  "purpose": "Historical contact evidence component. Not current listings or a complete historical derivative database.",
  "counts": {
    "contacts": 523,
    "businesses": 328,
    "byte_exact": 522,
    "formatting_only": 1
  },
  "fields": [
    "historical_listing_id",
    "historical_listing_name",
    "field_name",
    "historical_value",
    "source_value",
    "transformation",
    "gers_id",
    "source_name",
    "source_release",
    "feature_version",
    "source_url",
    "source_metadata",
    "license_codes",
    "checked_at",
    "match_distance_m",
    "candidate_count",
    "publication_evidence",
    "lineage_basis"
  ],
  "attribution": "Overture Maps Foundation and the providers identified in each record. Historical listing names may contain information from © OpenStreetMap contributors.",
  "database_license": "/data-licenses/ODbL-1.0.txt",
  "asianmall_metadata_license": "/data-licenses/DbCL-1.0.txt",
  "content_terms": "Original Overture contents retain their identified CDLA-Permissive-2.0, Apache-2.0 or CC0-1.0 terms. Full agreements and Foursquare NOTICE are included.",
  "changes": "AsianMall selects historical contact fields and source metadata, links them by historical business ID, and records comparisons. One phone value adds a leading plus; the source value and reproducible transformation are preserved.",
  "limits": [
    "Original release features match retained GERS, name, coordinates and source contacts; historical listing matches use normalized name and at most 150 metres proximity.",
    "This recovers licensed source correspondence, not the original import event or an immutable listing-to-feature link. candidate_count includes all nearby same-name candidates, even when only one supports the contact value. Distances are disclosed; no current business accuracy or owner approval is claimed.",
    "Missing historical versions, descriptions and additional contents remain unresolved. This is not a declaration of historical compliance, cessation or license reinstatement.",
    "No owner/account/billing data, copied descriptions, photos, or unverified June/quarantine values are included. No directory listing is republished."
  ],
  "additional_data": "hello@asianmall.com; free internet delivery without account, payment, NDA or listing-reference requirement.",
  "encoding": "gzip",
  "integrity": {
    "algorithm": "SHA-256",
    "compressed_bytes": 72787,
    "uncompressed_bytes": 913231,
    "compressed_sha256": "8690acf651f3e3fd4ed7f49f0fabce2139fb2d5f8dba6e320ad6b69e18dfadc0",
    "uncompressed_sha256": "16821edad6b17d53c3b816ce6307305403daacb559ddf3b7640d0f8849684f4f"
  },
  "download": "/data/historical-contacts-2026-10-15/contacts.json.gz",
  "delivery_status": "published_historical_evidence_component"
}