{
  "schema_version": "1.0",
  "project": "Santiago, Putumayo building review pilot",
  "assembled_at": "2026-08-20T04:05:04Z",
  "sources": {
    "open_aerial_map": {
      "role": "sole final tracing imagery",
      "title": "Santiago Putumayo",
      "catalog_record_id": "692bbb0e2183424759916f87",
      "acquisition_start": "2025-11-29T05:00:00Z",
      "uploaded_at": "2025-11-30T03:33:34.450Z",
      "ground_sample_distance_m": 0.056767,
      "contributor": "JORGE FROILAN MALLAMA BOTINA",
      "provider": "JM",
      "license": "CC BY 4.0",
      "license_url": "https://creativecommons.org/licenses/by/4.0/",
      "oam_legal_url": "https://openaerialmap.org/legal/",
      "catalog_query_url": "https://api.openaerialmap.org/meta?bbox=-77.0311,1.1389,-76.9888,1.1667",
      "cog_url": "https://oin-hotosm-temp.s3.us-east-1.amazonaws.com/692bb3dd2183424759916ad8/0/692bb3dd2183424759916ad9.tif",
      "tms_url": "https://tiles.openaerialmap.org/692bb3dd2183424759916ad8/0/692bb3dd2183424759916ad9/{z}/{x}/{y}",
      "local_valid_footprint_sha256": "adc096acd864d0ad8385e816e00f951e711b06986b3097ba1d50f42a674f3c3d"
    },
    "ai_model": {
      "role": "candidate discovery only",
      "repository": "https://huggingface.co/hotosm/dinov3s-buildings",
      "revision": "f7254545dfbbf10a40594d5a5fb62136902000ae",
      "license": "CC BY 4.0",
      "license_url": "https://creativecommons.org/licenses/by/4.0/",
      "screening_output_sha256": "85892df28b10cd11b2ce7197e3d79ac0cfc76b714e183597c56c1f538a2f16e3",
      "inference_script_sha256": "dfac112157979e591ffcb86037bc832aa83c14a76c0bf1d895d520cc235616ea"
    },
    "microsoft_global_building_footprints": {
      "role": "candidate discovery and corroboration; never blind import",
      "release": "2026-08-13",
      "country": "Colombia",
      "quadkey": "032232230",
      "repository": "https://github.com/microsoft/GlobalMLBuildingFootprints",
      "dataset_index": "https://bfppub.blob.core.windows.net/$web/2026-08-13/dataset-links.csv",
      "shard_url": "https://bfppub.z5.web.core.windows.net/2026-08-13/global-buildings.geojsonl/RegionName=Colombia/quadkey=032232230/part-00013-110f5303-ff85-4c71-a2bf-c6070024fec8.c000.csv.gz",
      "license": "CDLA-Permissive-2.0",
      "license_url": "https://cdla.dev/permissive-2-0/",
      "license_notice": "Keep this manifest and the linked agreement with redistributed Microsoft-derived candidate geometry.",
      "freshness_verdict": "All 491 footprints inside valid OAM imagery are unchanged from the prior snapshot."
    },
    "openstreetmap": {
      "role": "live duplicate/conflation check",
      "retrieved_at": "2026-08-20T03:59:59Z",
      "license": "ODbL 1.0",
      "license_url": "https://www.openstreetmap.org/copyright",
      "valid_oam_building_way_count": 8,
      "valid_oam_building_relation_count": 0,
      "rule": "Re-query live OSM immediately before every editing batch."
    },
    "google_open_buildings": {
      "role": "excluded from queue; one low-confidence local detection had no practical value",
      "dataset_url": "https://sites.research.google/gr/open-buildings/",
      "candidate_geometry_emitted": false
    },
    "igac": {
      "role": "research comparison only; completely excluded from the shareable/editing queue",
      "item_url": "https://www.arcgis.com/home/item.html?id=4ee3327a0a3749bd8982e9e2ee57b823",
      "published_license": "CC BY-SA 4.0",
      "candidate_geometry_emitted": false,
      "influences_queue_ranking_or_selection": false,
      "warning": "Do not copy coordinates or use IGAC-derived decisions for OSM without an explicit ODbL-compatible permission or waiver."
    }
  },
  "combined_source_snapshot": {
    "path": "source_comparison.geojson",
    "sha256": "a5a41ed7ae52261930331c03d4dc9e79a34bc11bf47cb0b392a9fc367368cd1d",
    "warning": "This research snapshot contains IGAC geometry. It is not an OSM editing layer and should not be included in a public candidate export."
  }
}