{ "schema_version": 1, "generated_on": "2026-10-25", "title": "Track 3 physical verification layer", "objective": "Independently verify large computational facilities using physical observations, remote sensing, infrastructure records and construction/power chronology without treating any missing layer as evidence of absence.", "checklist": [ { "id": "OPTICAL", "item": "Satellite optical imagery", "status": "INGESTED_DERIVED", "coverage": "943 raw Sentinel-2 COG windows processed; scene provenance and compact metrics are stored, full rasters are not stored in Git.", "primary_sources": [ "sentinel-2-optical", "landsat-oli-optical" ] }, { "id": "TIR", "item": "TIR thermal imagery", "status": "INGESTED_DERIVED", "coverage": "693 Landsat ST scene observations processed with local-background thermal metrics.", "primary_sources": [ "landsat-tirs-thermal" ] }, { "id": "SAR", "item": "SAR imagery", "status": "INGESTED_DERIVED", "coverage": "710 Sentinel-1 GRD scene observations processed with VV/VH backscatter and temporal deltas.", "primary_sources": [ "sentinel-1-sar" ] }, { "id": "SUBSTATION", "item": "Substation expansion detection", "status": "PARTIAL_EXTERNAL_EVIDENCE", "coverage": "90 project/evidence records mention substations, but automated site-level expansion detection has not been performed.", "primary_sources": [ "utility-transmission-projects" ] }, { "id": "TRANSFORMER", "item": "Transformer installation/procurement evidence", "status": "INGESTED", "coverage": "3 source-backed transformer procurement/delivery/specification event records are retained; the 93-site research queue remains published for uncovered sites.", "primary_sources": [ "miso-mtep25", "entergy-transformer-transport", "transformer-supply-chain" ] }, { "id": "TRANSMISSION", "item": "Transmission-line construction", "status": "PARTIAL_EXTERNAL_EVIDENCE", "coverage": "113 project/evidence records contain transmission-line/project references, but site-level construction-event detection is not yet computationally linked.", "primary_sources": [ "utility-transmission-projects" ] }, { "id": "COOLING", "item": "Cooling infrastructure", "status": "INGESTED_PARTIAL", "coverage": "2 Epoch sites currently have structured cooling-equipment snapshots. Other sites remain not ingested.", "primary_sources": [ "epoch-chillers", "epoch-cooling-towers" ] }, { "id": "BACKUP", "item": "Backup-generation infrastructure", "status": "NOT_SITE_LINKED", "coverage": "No structured site-level generator/backup-generation observation is currently linked to the 93 Epoch IDs.", "primary_sources": [] }, { "id": "PERMITS", "item": "Construction-permit chronology", "status": "INGESTED_PARTIAL", "coverage": "33 public permit records are ingested in the broader project layer, but they are not yet exhaustively site-linked to every Epoch facility.", "primary_sources": [ "va-deq-data-centers" ] }, { "id": "FOOTPRINT", "item": "Building footprint / campus expansion chronology", "status": "INGESTED_DERIVED_PROXY", "coverage": "92 sites have multi-temporal optical observations for coarse campus-change proxy analysis; polygonized footprints remain separate.", "primary_sources": [ "overture-buildings", "epoch-timelines", "sentinel-2-optical" ] }, { "id": "POWER_TIMELINE", "item": "Construction-to-power timeline", "status": "INGESTED", "coverage": "93 / 93 Epoch sites have construction timeline records with dated power/IT-power fields retained.", "primary_sources": [ "epoch-timelines" ] } ], "summary": { "optical_sites": 93, "tir_sites": 93, "sar_sites": 93, "raw_optical_scenes_ingested": 943, "raw_tir_numeric_observations": 693, "raw_sar_numeric_observations": 710, "construction_timeline_sites": 93, "construction_to_power_sites": 93, "building_footprint_raw_change_detection_sites": 92, "cooling_sites_with_snapshot": 2, "power_sites_with_annual_snapshot": 6, "external_permit_records": 33, "external_substation_transmission_evidence_records": { "substation": 90, "transmission": 113 }, "transformer_event_records": 3, "backup_generation_site_records": 0, "semantics": "Source availability is not ingestion. External project/permit evidence is not treated as a site match until a physical-site linkage exists.", "transformer_event_site_count": 1, "transformer_target_site_count": 93, "building_footprint_polygon_site_count": 92, "building_footprint_polygon_count": 183272, "derived_observation_count": 2346, "derived_observation_sites": 92, "derived_observation_ledger": "data/track3/remote_sensing_observations.json", "derived_observation_semantics": "Derived-observation count is read from the retained remote-sensing observation ledger. It is distinct from raw scene/window counts above and does not imply AI compute.", "reconciled_on": "2026-10-25", "derived_observations": 2346 }, "source_catalog": [ { "id": "sentinel-2-optical", "name": "Copernicus Sentinel-2", "modality": "optical", "status": "SOURCE_AVAILABLE_NOT_INGESTED", "url": "https://dataspace.copernicus.eu/data-collections/copernicus-sentinel-missions/sentinel-2", "role": "Free systematic multispectral imagery for multi-temporal surface/building/campus change detection." }, { "id": "landsat-oli-optical", "name": "USGS Landsat Collection 2 Level-1 / OLI", "modality": "optical", "status": "SOURCE_AVAILABLE_NOT_INGESTED", "url": "https://www.usgs.gov/landsat-missions/landsat-collection-2-level-1-data", "role": "Open Landsat optical imagery and scene metadata for long-term site chronology." }, { "id": "landsat-tirs-thermal", "name": "USGS Landsat Collection 2 Level-2 Surface Temperature / TIRS", "modality": "TIR", "status": "SOURCE_AVAILABLE_NOT_INGESTED", "url": "https://www.usgs.gov/landsat-missions/landsat-collection-2-level-2-science-products", "role": "Open surface-temperature products and thermal-band observations." }, { "id": "sentinel-1-sar", "name": "Copernicus Sentinel-1 SAR", "modality": "SAR", "status": "SOURCE_AVAILABLE_NOT_INGESTED", "url": "https://dataspace.copernicus.eu/data-collections/copernicus-sentinel-missions/sentinel-1", "role": "Open radar observations for cloud-independent construction/change detection." }, { "id": "usgs-3dep", "name": "USGS 3DEP", "modality": "3D/topography", "status": "SOURCE_AVAILABLE_NOT_INGESTED", "url": "https://www.usgs.gov/the-national-map-data-delivery/gis-data-download", "role": "Public lidar/DEM support for structure/campus geometry; not itself a building-footprint dataset." }, { "id": "epoch-timelines", "name": "Epoch AI construction timelines", "modality": "construction", "status": "INGESTED", "url": "https://epoch.ai/data/data-centers-documentation/records", "role": "Dated site construction, building, power and progress records for the 93-site Epoch universe." }, { "id": "epoch-chillers", "name": "Epoch AI data-center chillers", "modality": "cooling", "status": "INGESTED_SNAPSHOT", "url": "https://epoch.ai/data/data_centers/data_center_chillers.csv", "role": "Site-level cooling-equipment evidence where published." }, { "id": "epoch-cooling-towers", "name": "Epoch AI data-center cooling towers", "modality": "cooling", "status": "INGESTED_SNAPSHOT", "url": "https://epoch.ai/data/data_centers/data_center_cooling_towers.csv", "role": "Site-level cooling-tower evidence where published." }, { "id": "va-deq-data-centers", "name": "Virginia DEQ issued air permits for data centers", "modality": "permit", "status": "INGESTED", "url": "https://www.deq.virginia.gov/news-info/shortcuts/permits/air/issued-air-permits-for-data-centers", "role": "Individual permit identities and dates; current project layer contains 33 records." }, { "id": "utility-transmission-projects", "name": "Utility / regulator transmission project filings", "modality": "transmission/substation", "status": "INGESTED_PARTIAL", "url": "https://www.scc.virginia.gov/consumers/public-utility/electricity-faqs/transmission-line-projects/", "role": "Public line/substation project evidence; current project layer contains 90 substation-related and 113 transmission-related evidence records." }, { "id": "transformer-supply-chain", "name": "HV transformer procurement / delivery / installation evidence", "modality": "transformer", "status": "NOT_INGESTED", "url": null, "role": "Target stream for order, manufacturer, MVA/kV, destination and installation-event evidence." } ], "site_records": [ { "epoch_id": "EPOCH-c20399471d1c5e4a", "site_name": "Colossus 2", "country": "United States", "state_province": "TN", "address": "5420 Tulane Rd, Memphis, TN 38109", "lat": 34.9979829, "lon": -90.0348674, "current_it_power_mw": 946, "construction": { "status": "INGESTED", "timeline_record_count": 7, "source": "Epoch AI" }, "construction_to_power_timeline": { "status": "UNKNOWN", "date": null, "it_power_mw": 946, "total_power_mw": null, "construction_status": null }, "building_footprint_expansion": { "status": "INGESTED_DERIVED_PROXY", "basis": "Multi-temporal Sentinel-2 windows are processed; NDVI/nonvegetated metrics are a coarse campus-change proxy, not a polygonized building footprint.", "raw_imagery_status": "INGESTED" }, "optical_imagery": { "status": "INGESTED_DERIVED", "source_ids": [ "sentinel-2-optical", "landsat-oli-optical" ], "site_scene_count": 11, "scene_count": 11, "source": "Copernicus Sentinel-2 L2A via public STAC", "analysis": "Raw COG windows processed into NDVI/non-vegetated proxy metrics; full rasters are not stored in Git." }, "tir_thermal": { "status": "INGESTED_DERIVED", "source_ids": [ "landsat-tirs-thermal" ], "numeric_observation_count": 6, "scene_count": 6, "source": "USGS Landsat Collection 2 Level-2 ST via public STAC", "analysis": "Raw COG windows processed into surface-temperature and local-background deltas." }, "sar": { "status": "INGESTED_DERIVED", "source_ids": [ "sentinel-1-sar" ], "numeric_observation_count": 6, "scene_count": 6, "source": "Copernicus Sentinel-1 GRD via public STAC", "analysis": "Raw COG VV/VH windows processed into backscatter dB and temporal deltas." }, "substation_expansion_detection": { "status": "EXTERNAL_PROJECT_EVIDENCE_NOT_SITE_LINKED", "site_record_count": 0, "external_evidence_record_count": 90 }, "transformer_installation_procurement": { "status": "RESEARCH_QUEUE", "event_count": 0, "target_id": "TX-TARGET-EPOCH-c20399471d1c5e4a", "note": "Event status is source-backed; planned specifications are not treated as installation/energization." }, "transmission_line_construction": { "status": "EXTERNAL_PROJECT_EVIDENCE_NOT_SITE_LINKED", "site_record_count": 0, "external_evidence_record_count": 113 }, "cooling_infrastructure": { "status": "NOT_INGESTED", "site_observation_count": 0 }, "backup_generation_infrastructure": { "status": "NOT_SITE_LINKED", "site_record_count": 0, "note": "No site-level backup-generation observation is currently linked to this Epoch ID in the physical evidence layer." }, "construction_permit_chronology": { "status": "EXTERNAL_PERMIT_UNIVERSE_NOT_SITE_LINKED", "site_record_count": 0, "external_permit_record_count": 33 }, "power_observations": { "status": "NOT_INGESTED", "site_observation_count": 0 }, "source_precision": "site-level source attached", "coordinate_precision": "public-address geocode" }, { "epoch_id": "EPOCH-d9050b43689ed24c", "site_name": "Microsoft Fairwater Atlanta", "country": "United States", "state_province": "GA", "address": "1435 Hwy 54 W, Fayetteville, GA 30214", "lat": 33.4453541, "lon": -84.5254819, "current_it_power_mw": 636, "construction": { "status": "INGESTED", "timeline_record_count": 5, "source": "Epoch AI" }, "construction_to_power_timeline": { "status": "UNKNOWN", "date": null, "it_power_mw": 636, "total_power_mw": null, "construction_status": null }, "building_footprint_expansion": { "status": "INGESTED_DERIVED_PROXY", "basis": "Multi-temporal Sentinel-2 windows are processed; NDVI/nonvegetated metrics are a coarse campus-change proxy, not a polygonized building footprint.", "raw_imagery_status": "INGESTED" }, "optical_imagery": { "status": "INGESTED_DERIVED", "source_ids": [ "sentinel-2-optical", "landsat-oli-optical" ], "site_scene_count": 10, "scene_count": 10, "source": "Copernicus Sentinel-2 L2A via public STAC", "analysis": "Raw COG windows processed into NDVI/non-vegetated proxy metrics; full rasters are not stored in Git." }, "tir_thermal": { "status": "INGESTED_DERIVED", "source_ids": [ "landsat-tirs-thermal" ], "numeric_observation_count": 7, "scene_count": 7, "source": "USGS Landsat Collection 2 Level-2 ST via public STAC", "analysis": "Raw COG windows processed into surface-temperature and local-background deltas." }, "sar": { "status": "INGESTED_DERIVED", "source_ids": [ "sentinel-1-sar" ], "numeric_observation_count": 5, "scene_count": 5, "source": "Copernicus Sentinel-1 GRD via public STAC", "analysis": "Raw COG VV/VH windows processed into backscatter dB and temporal deltas." }, "substation_expansion_detection": { "status": "EXTERNAL_PROJECT_EVIDENCE_NOT_SITE_LINKED", "site_record_count": 0, "external_evidence_record_count": 90 }, "transformer_installation_procurement": { "status": "RESEARCH_QUEUE", "event_count": 0, "target_id": "TX-TARGET-EPOCH-d9050b43689ed24c", "note": "Event status is source-backed; planned specifications are not treated as installation/energization." }, "transmission_line_construction": { "status": "EXTERNAL_PROJECT_EVIDENCE_NOT_SITE_LINKED", "site_record_count": 0, "external_evidence_record_count": 113 }, "cooling_infrastructure": { "status": "NOT_INGESTED", "site_observation_count": 0 }, "backup_generation_infrastructure": { "status": "NOT_SITE_LINKED", "site_record_count": 0, "note": "No site-level backup-generation observation is currently linked to this Epoch ID in the physical evidence layer." }, "construction_permit_chronology": { "status": "EXTERNAL_PERMIT_UNIVERSE_NOT_SITE_LINKED", "site_record_count": 0, "external_permit_record_count": 33 }, "power_observations": { "status": "NOT_INGESTED", "site_observation_count": 0 }, "source_precision": "site-level source attached", "coordinate_precision": "public-address geocode" }, { "epoch_id": "EPOCH-45b3c74314eb1f26", "site_name": "Anthropic-Amazon New Carlisle", "country": "United States", "state_province": "IN", "address": "55001 Larrison Blvd, New Carlisle, IN 46552", "lat": 41.693333, "lon": -86.460833, "current_it_power_mw": 910, "construction": { "status": "INGESTED", "timeline_record_count": 12, "source": "Epoch AI" }, "construction_to_power_timeline": { "status": "UNKNOWN", "date": null, "it_power_mw": 910, "total_power_mw": null, "construction_status": null }, "building_footprint_expansion": { "status": "INGESTED_DERIVED_PROXY", "basis": "Multi-temporal Sentinel-2 windows are processed; NDVI/nonvegetated metrics are a coarse campus-change proxy, not a polygonized building footprint.", "raw_imagery_status": "INGESTED" }, "optical_imagery": { "status": "INGESTED_DERIVED", "source_ids": [ "sentinel-2-optical", "landsat-oli-optical" ], "site_scene_count": 10, "scene_count": 10, "source": "Copernicus Sentinel-2 L2A via public STAC", "analysis": "Raw COG windows processed into NDVI/non-vegetated proxy metrics; full rasters are not stored in Git." }, "tir_thermal": { "status": "INGESTED_DERIVED", "source_ids": [ "landsat-tirs-thermal" ], "numeric_observation_count": 6, "scene_count": 6, "source": "USGS Landsat Collection 2 Level-2 ST via public STAC", "analysis": "Raw COG windows processed into surface-temperature and local-background deltas." }, "sar": { "status": "INGESTED_DERIVED", "source_ids": [ "sentinel-1-sar" ], "numeric_observation_count": 8, "scene_count": 8, "source": "Copernicus Sentinel-1 GRD via public STAC", "analysis": "Raw COG VV/VH windows processed into backscatter dB and temporal deltas." }, "substation_expansion_detection": { "status": "EXTERNAL_PROJECT_EVIDENCE_NOT_SITE_LINKED", "site_record_count": 0, "external_evidence_record_count": 90 }, "transformer_installation_procurement": { "status": "RESEARCH_QUEUE", "event_count": 0, "target_id": "TX-TARGET-EPOCH-45b3c74314eb1f26", "note": "Event status is source-backed; planned specifications are not treated as installation/energization." }, "transmission_line_construction": { "status": "EXTERNAL_PROJECT_EVIDENCE_NOT_SITE_LINKED", "site_record_count": 0, "external_evidence_record_count": 113 }, "cooling_infrastructure": { "status": "NOT_INGESTED", "site_observation_count": 0 }, "backup_generation_infrastructure": { "status": "NOT_SITE_LINKED", "site_record_count": 0, "note": "No site-level backup-generation observation is currently linked to this Epoch ID in the physical evidence layer." }, "construction_permit_chronology": { "status": "EXTERNAL_PERMIT_UNIVERSE_NOT_SITE_LINKED", "site_record_count": 0, "external_permit_record_count": 33 }, "power_observations": { "status": "NOT_INGESTED", "site_observation_count": 0 }, "source_precision": "Epoch address/display geometry", "coordinate_precision": "public-address coordinate from secondary published site table" }, { "epoch_id": "EPOCH-ea699c935d46e066", "site_name": "Google Pryor (North)", "country": "United States", "state_province": "OK", "address": "4581 Webb St, Pryor, OK 74361", "lat": 36.2411721, "lon": -95.3300473, "current_it_power_mw": 368, "construction": { "status": "INGESTED", "timeline_record_count": 5, "source": "Epoch AI" }, "construction_to_power_timeline": { "status": "UNKNOWN", "date": null, "it_power_mw": 368, "total_power_mw": null, "construction_status": null }, "building_footprint_expansion": { "status": "INGESTED_DERIVED_PROXY", "basis": "Multi-temporal Sentinel-2 windows are processed; NDVI/nonvegetated metrics are a coarse campus-change proxy, not a polygonized building footprint.", "raw_imagery_status": "INGESTED" }, "optical_imagery": { "status": "INGESTED_DERIVED", "source_ids": [ "sentinel-2-optical", "landsat-oli-optical" ], "site_scene_count": 10, "scene_count": 10, "source": "Copernicus Sentinel-2 L2A via public STAC", "analysis": "Raw COG windows processed into NDVI/non-vegetated proxy metrics; full rasters are not stored in Git." }, "tir_thermal": { "status": "INGESTED_DERIVED", "source_ids": [ "landsat-tirs-thermal" ], "numeric_observation_count": 10, "scene_count": 10, "source": "USGS Landsat Collection 2 Level-2 ST via public STAC", "analysis": "Raw COG windows processed into surface-temperature and local-background deltas." }, "sar": { "status": "INGESTED_DERIVED", "source_ids": [ "sentinel-1-sar" ], "numeric_observation_count": 5, "scene_count": 5, "source": "Copernicus Sentinel-1 GRD via public STAC", "analysis": "Raw COG VV/VH windows processed into backscatter dB and temporal deltas." }, "substation_expansion_detection": { "status": "EXTERNAL_PROJECT_EVIDENCE_NOT_SITE_LINKED", "site_record_count": 0, "external_evidence_record_count": 90 }, "transformer_installation_procurement": { "status": "RESEARCH_QUEUE", "event_count": 0, "target_id": "TX-TARGET-EPOCH-ea699c935d46e066", "note": "Event status is source-backed; planned specifications are not treated as installation/energization." }, "transmission_line_construction": { "status": "EXTERNAL_PROJECT_EVIDENCE_NOT_SITE_LINKED", "site_record_count": 0, "external_evidence_record_count": 113 }, "cooling_infrastructure": { "status": "NOT_INGESTED", "site_observation_count": 0 }, "backup_generation_infrastructure": { "status": "NOT_SITE_LINKED", "site_record_count": 0, "note": "No site-level backup-generation observation is currently linked to this Epoch ID in the physical evidence layer." }, "construction_permit_chronology": { "status": "EXTERNAL_PERMIT_UNIVERSE_NOT_SITE_LINKED", "site_record_count": 0, "external_permit_record_count": 33 }, "power_observations": { "status": "NOT_INGESTED", "site_observation_count": 0 }, "source_precision": "site-level source attached", "coordinate_precision": "public-address geocode" }, { "epoch_id": "EPOCH-8838deed95ffb554", "site_name": "Meta Prometheus", "country": "United States", "state_province": "OH", "address": "1 Community Cir, New Albany, OH 43054", "lat": 40.081, "lon": -82.808, "current_it_power_mw": 496, "construction": { "status": "INGESTED", "timeline_record_count": 13, "source": "Epoch AI" }, "construction_to_power_timeline": { "status": "UNKNOWN", "date": null, "it_power_mw": 496, "total_power_mw": null, "construction_status": null }, "building_footprint_expansion": { "status": "INGESTED_DERIVED_PROXY", "basis": "Multi-temporal Sentinel-2 windows are processed; NDVI/nonvegetated metrics are a coarse campus-change proxy, not a polygonized building footprint.", "raw_imagery_status": "INGESTED" }, "optical_imagery": { "status": "INGESTED_DERIVED", "source_ids": [ "sentinel-2-optical", "landsat-oli-optical" ], "site_scene_count": 10, "scene_count": 10, "source": "Copernicus Sentinel-2 L2A via public STAC", "analysis": "Raw COG windows processed into NDVI/non-vegetated proxy metrics; full rasters are not stored in Git." }, "tir_thermal": { "status": "INGESTED_DERIVED", "source_ids": [ "landsat-tirs-thermal" ], "numeric_observation_count": 7, "scene_count": 7, "source": "USGS Landsat Collection 2 Level-2 ST via public STAC", "analysis": "Raw COG windows processed into surface-temperature and local-background deltas." }, "sar": { "status": "INGESTED_DERIVED", "source_ids": [ "sentinel-1-sar" ], "numeric_observation_count": 6, "scene_count": 6, "source": "Copernicus Sentinel-1 GRD via public STAC", "analysis": "Raw COG VV/VH windows processed into backscatter dB and temporal deltas." }, "substation_expansion_detection": { "status": "EXTERNAL_PROJECT_EVIDENCE_NOT_SITE_LINKED", "site_record_count": 0, "external_evidence_record_count": 90 }, "transformer_installation_procurement": { "status": "RESEARCH_QUEUE", "event_count": 0, "target_id": "TX-TARGET-EPOCH-8838deed95ffb554", "note": "Event status is source-backed; planned specifications are not treated as installation/energization." }, "transmission_line_construction": { "status": "EXTERNAL_PROJECT_EVIDENCE_NOT_SITE_LINKED", "site_record_count": 0, "external_evidence_record_count": 113 }, "cooling_infrastructure": { "status": "NOT_INGESTED", "site_observation_count": 0 }, "backup_generation_infrastructure": { "status": "NOT_SITE_LINKED", "site_record_count": 0, "note": "No site-level backup-generation observation is currently linked to this Epoch ID in the physical evidence layer." }, "construction_permit_chronology": { "status": "EXTERNAL_PERMIT_UNIVERSE_NOT_SITE_LINKED", "site_record_count": 0, "external_permit_record_count": 33 }, "power_observations": { "status": "INGESTED_ANNUAL_SNAPSHOT", "site_observation_count": 1 }, "source_precision": "site-level source attached", "coordinate_precision": "campus coordinate from secondary facility registry" }, { "epoch_id": "EPOCH-2c2e40ddb178da3e", "site_name": "OpenAI Stargate Abilene", "country": "United States", "state_province": "TX", "address": "5502 Spinks Rd, Abilene, TX 79601", "lat": 32.4942321, "lon": -99.8009071, "current_it_power_mw": 421, "construction": { "status": "INGESTED", "timeline_record_count": 9, "source": "Epoch AI" }, "construction_to_power_timeline": { "status": "UNKNOWN", "date": null, "it_power_mw": 421, "total_power_mw": null, "construction_status": null }, "building_footprint_expansion": { "status": "INGESTED_DERIVED_PROXY", "basis": "Multi-temporal Sentinel-2 windows are processed; NDVI/nonvegetated metrics are a coarse campus-change proxy, not a polygonized building footprint.", "raw_imagery_status": "INGESTED" }, "optical_imagery": { "status": "INGESTED_DERIVED", "source_ids": [ "sentinel-2-optical", "landsat-oli-optical" ], "site_scene_count": 10, "scene_count": 10, "source": "Copernicus Sentinel-2 L2A via public STAC", "analysis": "Raw COG windows processed into NDVI/non-vegetated proxy metrics; full rasters are not stored in Git." }, "tir_thermal": { "status": "INGESTED_DERIVED", "source_ids": [ "landsat-tirs-thermal" ], "numeric_observation_count": 6, "scene_count": 6, "source": "USGS Landsat Collection 2 Level-2 ST via public STAC", "analysis": "Raw COG windows processed into surface-temperature and local-background deltas." }, "sar": { "status": "INGESTED_DERIVED", "source_ids": [ "sentinel-1-sar" ], "numeric_observation_count": 10, "scene_count": 10, "source": "Copernicus Sentinel-1 GRD via public STAC", "analysis": "Raw COG VV/VH windows processed into backscatter dB and temporal deltas." }, "substation_expansion_detection": { "status": "EXTERNAL_PROJECT_EVIDENCE_NOT_SITE_LINKED", "site_record_count": 0, "external_evidence_record_count": 90 }, "transformer_installation_procurement": { "status": "RESEARCH_QUEUE", "event_count": 0, "target_id": "TX-TARGET-EPOCH-2c2e40ddb178da3e", "note": "Event status is source-backed; 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