{
  "schema_version": 1,
  "source_compilation_context": {
    "ma": {
      "attribution": {
        "inventory": {
          "name": "Compute Atlas",
          "creator": "Edward Kubiak",
          "url": "https://www.compute-atlas.com/api",
          "license": "CC BY 4.0",
          "license_url": "https://creativecommons.org/licenses/by/4.0/",
          "snapshot_url": "https://www.compute-atlas.com/api/facilities",
          "retrieved": "2026-10-14",
          "sha256": "79ad432dab7c128e428234c9d0dd40933114b415a4a5d697db00095637d50f37",
          "changes": "Added provenance, publication-date distinctions, display-safe wording, quarantine flags and state partitioning. Original source records retained locally."
        },
        "counties": "U.S. Census Bureau county boundaries (public domain)",
        "research": "Field-specific source context. See the linked source and limits on each record."
      },
      "source_data_url": "https://datacentersatlas.com/data/ma.json",
      "updated": "2026-10-24"
    }
  },
  "scope": "Exact retained city label subset. This is not a municipal boundary or complete city inventory. Research records retain their sources, dates and location limits. Counts are not a census of operating buildings. Company name links alone do not establish ownership or operation.",
  "collection": {
    "kind": "cities",
    "key": "ma/somerville",
    "label": "Somerville, Massachusetts"
  },
  "records": [
    {
      "id": "coresite-bo1-boston-ma-ma",
      "state": "ma",
      "kind": "facility",
      "name": "CoreSite BO1 - Boston, MA",
      "group": "operating",
      "status": "Operator-listed service",
      "raw_status": "partly operating",
      "status_field": "current_status",
      "crypto": false,
      "type": "Colocation",
      "counties": [
        "Middlesex"
      ],
      "city": "Somerville",
      "address": "70 Inner Belt Road, Somerville, MA 02143",
      "who": "CoreSite",
      "end_user": "",
      "mw": null,
      "power": "",
      "power_note": "",
      "investment": "",
      "jobs": "",
      "acres": null,
      "utility": "",
      "water": "",
      "incentives": "",
      "note": "Manual source context is available for this inherited inventory record. The inventory label and approximate geography are retained for discovery. This is not certification of current operation, ownership, a separate physical building, technical capacity or a precise parcel. Missing fields remain unknown. Field or source context only. Portfolio30centers/4.8million+sqft are not BO1 metrics. Operator location list explicitly identifies BO1 in Boston and says it owns/operates its centers. Only the listed fields were checked; imported geography, current operation, capacity and incentives require their own evidence. Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building.",
      "date": "",
      "events": [],
      "timeline": [],
      "opened": "",
      "tier": "",
      "sources": [
        {
          "url": "https://www.coresite.com/data-centers/locations",
          "host": "coresite.com",
          "date": "",
          "published": "",
          "checked": "2026-10-14",
          "date_kind": "publication date not established",
          "label": "Reviewed source"
        },
        {
          "url": "https://www.coresite.com/data-center/bo1-boston-ma",
          "host": "www.coresite.com",
          "published": "",
          "date": "",
          "checked": "2026-10-16",
          "label": "CoreSite official location and specifications"
        },
        {
          "url": "https://www.coresite.com/data-center-locations/boston",
          "host": "www.coresite.com",
          "published": "",
          "date": "",
          "checked": "2026-10-16",
          "label": "CoreSite official location and specifications"
        },
        {
          "url": "https://geocoding.geo.census.gov/geocoder/geographies/onelineaddress?address=70+Inner+Belt+Road%2C+Somerville%2C+MA+02143&benchmark=Public_AR_Current&vintage=Current_Current&format=json",
          "host": "geocoding.geo.census.gov",
          "published": "",
          "date": "",
          "checked": "2026-10-22",
          "label": "Census calculated street range and county context"
        },
        {
          "url": "https://geocoding.geo.census.gov/geocoder/Geocoding_Services_API.html",
          "host": "geocoding.geo.census.gov",
          "published": "",
          "date": "",
          "checked": "2026-10-22",
          "label": "Census address range method and limits"
        }
      ],
      "loc": {
        "lat": 42.377126603343,
        "lng": -71.080769044548,
        "precision": "address",
        "basis": "Published CoreSite facility address matched to one Census street range within the existing record county. Calculated street reference, not a surveyed parcel, roof, suite or property ownership finding."
      },
      "reviewed_evidence": [
        {
          "overlay": "field-verification-2026-10-14.json",
          "scope": "Field or source context only",
          "fields": {
            "city": "Boston",
            "facility_code": "BO1",
            "marketed_service": "colocation"
          },
          "notes": [
            "Portfolio30centers/4.8million+sqft are not BO1 metrics.",
            "Operator location list explicitly identifies BO1 in Boston and says it owns/operates its centers.",
            "Only the listed fields were checked; imported geography, current operation, capacity and incentives require their own evidence.",
            "Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building."
          ],
          "sources": [
            {
              "url": "https://www.coresite.com/data-centers/locations",
              "host": "coresite.com",
              "date": "",
              "published": "",
              "checked": "2026-10-14",
              "date_kind": "publication date not established",
              "label": "Reviewed source"
            }
          ],
          "whole_record_certified": false
        },
        {
          "overlay": "S4-CoreSite-Locations-20261016",
          "scope": "Scoped CoreSite facility-code service/address review; original locations, jurisdiction, physical identity, dates and legacy figures remain unverified or separately sourced.",
          "fields": {
            "operator_facility_code": "BO1",
            "record_association_scope": "Existing CoreSite BO1 - Boston, MA is associated by its unique CoreSite facility code, state and published locality with the primary operator page. A code/service context is not a separately verified physical building, campus boundary, legal owner or parcel. The inherited point and jurisdiction remain unchanged.",
            "published_location_address": {
              "text": "70 Inner Belt Road, Somerville, MA 02143",
              "scope": "Postal facility address exactly as published. No missing postal code is supplied, no suite/building allocation is inferred and no point or jurisdiction is moved."
            },
            "current_status_basis": "Current CoreSite BO1 page offers named colocation and interconnection services at this location. This supports an operator-listed service component, not physical inspection, live availability, every expansion being complete or measured uptime.",
            "published_technical_specs": {
              "POWER AVAILABILITY": "AC and DC",
              "UPS/PDU/RPP": "N, N+1, 2N redundancy",
              "OPERATIONS": "24x7x365 remote hands"
            },
            "technical_scope": "Operator-published electrical/redundancy and staffing/service specifications with no published technical as-of date. AC/DC describes supply type, not MW; formulas are not installed capacity or energy use. A service-level agreement is not independently observed uptime. Future DE3 design specifications do not establish operation."
          },
          "notes": [
            "Partial field review only. Existing name/ID, point, precision, city/counties, opening field, legacy MW/investment/jobs and prior source history are preserved.",
            "Operator brand is not a legal ownership finding. Certification and SLA marketing are not independent inspections or achieved uptime."
          ],
          "sources": [
            {
              "url": "https://www.coresite.com/data-center/bo1-boston-ma",
              "host": "www.coresite.com",
              "published": "",
              "date": "",
              "checked": "2026-10-16",
              "label": "CoreSite official location and specifications"
            },
            {
              "url": "https://www.coresite.com/data-center-locations/boston",
              "host": "www.coresite.com",
              "published": "",
              "date": "",
              "checked": "2026-10-16",
              "label": "CoreSite official location and specifications"
            },
            {
              "url": "https://www.coresite.com/data-centers/locations",
              "host": "www.coresite.com",
              "published": "",
              "date": "",
              "checked": "2026-10-16",
              "label": "CoreSite official location and specifications"
            }
          ],
          "checked": "2026-10-16",
          "whole_record_certified": false
        },
        {
          "overlay": "Codex 2 location cohort 1, October 22, 2026",
          "scope": "Published operator street reference only. No status, date, quantity, legal jurisdiction, title, surveyed parcel, whole campus or distinct building identity is adopted.",
          "fields": {
            "location_review_decision": {
              "location": {
                "lat": 42.377126603343,
                "lng": -71.080769044548,
                "precision": "address",
                "basis": "Published CoreSite facility address matched to one Census street range within the existing record county. Calculated street reference, not a surveyed parcel, roof, suite or property ownership finding."
              },
              "reference_method": "Census interpolated street address",
              "published_address": "70 Inner Belt Road, Somerville, MA 02143",
              "county_fips": [
                "25017"
              ],
              "operator_coordinates_adopted": false,
              "corporate_address_adopted": false
            }
          },
          "notes": [
            "The visible facility heading and street address identify this existing operator record. Corporate headquarters and embedded template coordinates are not adopted.",
            "Census calculates coordinates along address ranges. The county response and retained Census county display geometry agree. No aerial appearance, present operating stage, legal title or physical site census is certified."
          ],
          "sources": [
            {
              "url": "https://www.coresite.com/data-center/bo1-boston-ma",
              "host": "www.coresite.com",
              "published": "",
              "date": "",
              "checked": "2026-10-22",
              "label": "CoreSite facility page and visible street address"
            },
            {
              "url": "https://geocoding.geo.census.gov/geocoder/geographies/onelineaddress?address=70+Inner+Belt+Road%2C+Somerville%2C+MA+02143&benchmark=Public_AR_Current&vintage=Current_Current&format=json",
              "host": "geocoding.geo.census.gov",
              "published": "",
              "date": "",
              "checked": "2026-10-22",
              "label": "Census calculated street range and county context"
            },
            {
              "url": "https://geocoding.geo.census.gov/geocoder/Geocoding_Services_API.html",
              "host": "geocoding.geo.census.gov",
              "published": "",
              "date": "",
              "checked": "2026-10-22",
              "label": "Census address range method and limits"
            }
          ],
          "checked": "2026-10-22",
          "whole_record_certified": false
        },
        {
          "overlay": "Company role source check 38, October 23, 2026",
          "scope": "CoreSite identifies the same named BO1 facility and service street in the main body of its first party facility page and advertises its own colocation or interconnection services there. The operator per source relationship records the CoreSite provider brand. Existing who value and its complete source wrapper remain exact. The service street is identity context only and does not newly admit a location, parcel or roof. Connectivity to another facility, hosted cloud on ramps and a carrier hotel name do not identify the owner or operator of every space in a building, a tenant or a parent legal entity. Advertised space, power, performance and service commitments are not newly verified quantities. Existing status, location, address, county, quantities, dates and component identity remain exact. The source publication date is unknown. BO1 is marketed under Boston but its published service street is in Somerville. The metropolitan name does not move it to Boston municipality.",
          "fields": {
            "company_association": {
              "name": "CoreSite",
              "role": "operator",
              "identity_scope": "provider_brand_only",
              "scope": "CoreSite identifies the same named BO1 facility and service street in the main body of its first party facility page and advertises its own colocation or interconnection services there. The operator per source relationship records the CoreSite provider brand. Existing who value and its complete source wrapper remain exact. The service street is identity context only and does not newly admit a location, parcel or roof. Connectivity to another facility, hosted cloud on ramps and a carrier hotel name do not identify the owner or operator of every space in a building, a tenant or a parent legal entity. Advertised space, power, performance and service commitments are not newly verified quantities. Existing status, location, address, county, quantities, dates and component identity remain exact. The source publication date is unknown. BO1 is marketed under Boston but its published service street is in Somerville. The metropolitan name does not move it to Boston municipality."
            },
            "provider_role": "operator"
          },
          "notes": [
            "CoreSite identifies the same named BO1 facility and service street in the main body of its first party facility page and advertises its own colocation or interconnection services there. The operator per source relationship records the CoreSite provider brand. Existing who value and its complete source wrapper remain exact. The service street is identity context only and does not newly admit a location, parcel or roof. Connectivity to another facility, hosted cloud on ramps and a carrier hotel name do not identify the owner or operator of every space in a building, a tenant or a parent legal entity. Advertised space, power, performance and service commitments are not newly verified quantities. Existing status, location, address, county, quantities, dates and component identity remain exact. The source publication date is unknown. BO1 is marketed under Boston but its published service street is in Somerville. The metropolitan name does not move it to Boston municipality."
          ],
          "sources": [
            {
              "url": "https://www.coresite.com/data-center/bo1-boston-ma",
              "host": "www.coresite.com",
              "published": "",
              "date": "",
              "checked": "2026-10-23",
              "label": "Reviewed operator source"
            }
          ],
          "checked": "2026-10-23",
          "whole_record_certified": false
        }
      ],
      "manual_source_reviewed": true,
      "whole_record_certified": false,
      "field_evidence_present": true,
      "inventory_label_retained": true,
      "precision_label": "Published address reference, not a surveyed building or parcel",
      "summary": "Somerville · Middlesex · Source context reviewed",
      "status_scope": "Current CoreSite BO1 page offers named colocation and interconnection services at this location. This supports an operator-listed service component, not physical inspection, live availability, every expansion being complete or measured uptime."
    },
    {
      "id": "evocative-bos1-somerville-ma",
      "state": "ma",
      "kind": "facility",
      "name": "Evocative BOS1 (Somerville)",
      "group": "operating",
      "status": "Operator-listed colocation service",
      "raw_status": "operating",
      "status_field": "current_status",
      "crypto": false,
      "type": "Data center (inventory classification)",
      "counties": [
        "Middlesex"
      ],
      "city": "Somerville",
      "address": "",
      "who": "",
      "end_user": "",
      "mw": null,
      "power": "",
      "power_note": "",
      "investment": "",
      "jobs": "",
      "acres": null,
      "utility": "",
      "water": "",
      "incentives": "",
      "note": "Manual source context is available for this inherited inventory record. The inventory label and approximate geography are retained for discovery. This is not certification of current operation, ownership, a separate physical building, technical capacity or a precise parcel. Missing fields remain unknown. Evocative Boston area categories and utility basis. 6MWutilitynotcriticalIT;redundantgenerator6MWnotadded.900gallons/minpumpclosedloopflownotconsumptivewater. ExactSomervillejurisdiction/streetnotestablishedbyBostonmarketlabelalone. No exactopeningorindependentcertifierreport. Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building.",
      "date": "",
      "events": [],
      "timeline": [],
      "opened": "",
      "tier": "",
      "sources": [
        {
          "url": "https://www.evocative.com/data-centers/boston/",
          "host": "evocative.com",
          "date": "",
          "published": "",
          "checked": "2026-10-14",
          "date_kind": "publication date not established",
          "label": "Reviewed source"
        },
        {
          "url": "https://storage.pardot.com/994882/17224640545qQymEWJ/BOS1_Evocative_Data_Sheet_02.02.24.pdf",
          "host": "storage.pardot.com",
          "published": "",
          "date": "",
          "checked": "2026-10-24",
          "label": "Exact original named computing site street, distinct from mail and technical figures"
        },
        {
          "url": "https://geocoding.geo.census.gov/geocoder/geographies/onelineaddress?address=50+Inner+Belt+Road%2C+Somerville%2C+MA+02143&benchmark=Public_AR_Current&vintage=Current_Current&format=json",
          "host": "geocoding.geo.census.gov",
          "published": "",
          "date": "",
          "checked": "2026-10-24",
          "label": "Complete literal published street query, calculated range only"
        },
        {
          "url": "https://imagery.nationalmap.gov/arcgis/rest/services/USGSNAIPPlus/ImageServer/exportImage?bbox=-71.08757032413196%2C42.373676288537546%2C-71.07419367586805%2C42.38355771146245&bboxSR=4326&imageSR=3857&size=600%2C600&format=png&f=image",
          "host": "imagery.nationalmap.gov",
          "published": "",
          "date": "",
          "checked": "2026-10-24",
          "label": "Actually viewed source setting, acquisition date unknown"
        }
      ],
      "loc": {
        "lng": -71.080882,
        "lat": 42.378617,
        "precision": "address",
        "basis": "The original operator computing source identifies 50 Inner Belt Road, Somerville, MA 02143. One complete unique literal Census street range supports this calculated street reference inside the unchanged county. No roof, tenant floor, surveyed parcel, whole campus or current computing operation is certified. Original source publication date and imagery acquisition date are unknown; imagery may predate construction."
      },
      "reviewed_evidence": [
        {
          "overlay": "operator-primary-review-round10-2026-10-14.json",
          "scope": "Evocative Boston area categories and utility basis",
          "fields": {
            "operator": "Evocative",
            "code": "BOS1",
            "market": "Boston, Massachusetts",
            "facility_area_sqft": 46000,
            "raised_floor_sqft": 21600,
            "total_utility_power_mw": 6,
            "cabinet_load_kw": 20,
            "generator_count": 3,
            "each_generator_mw": 2
          },
          "notes": [
            "6MWutilitynotcriticalIT;redundantgenerator6MWnotadded.900gallons/minpumpclosedloopflownotconsumptivewater. ExactSomervillejurisdiction/streetnotestablishedbyBostonmarketlabelalone. No exactopeningorindependentcertifierreport.",
            "Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building."
          ],
          "sources": [
            {
              "url": "https://www.evocative.com/data-centers/boston/",
              "host": "evocative.com",
              "date": "",
              "published": "",
              "checked": "2026-10-14",
              "date_kind": "publication date not established",
              "label": "Reviewed source"
            }
          ],
          "whole_record_certified": false
        },
        {
          "overlay": "orchestra-status-2026-10-19",
          "scope": "Evocative explicitly offers colocation space and power available now at its named BOS1 Boston-market facility. Marketing availability is a service listing, not independently verified occupancy. This supports only the qualified stage described by the source, not an opening date, every hall being operational, full energized capacity, independently verified certification, legal ownership or parcel accuracy.",
          "fields": {
            "current_stage_evidence": {
              "outcome": "operator_listed_colocation_service",
              "scope": "Evocative explicitly offers colocation space and power available now at its named BOS1 Boston-market facility. Marketing availability is a service listing, not independently verified occupancy. This supports only the qualified stage described by the source, not an opening date, every hall being operational, full energized capacity, independently verified certification, legal ownership or parcel accuracy."
            }
          },
          "notes": [
            "Evocative explicitly offers colocation space and power available now at its named BOS1 Boston-market facility. Marketing availability is a service listing, not independently verified occupancy."
          ],
          "sources": [
            {
              "url": "https://www.evocative.com/data-centers/boston/",
              "host": "www.evocative.com",
              "published": "",
              "date": "",
              "checked": "2026-10-19",
              "label": "Operator source for the qualified stage"
            }
          ],
          "checked": "2026-10-19",
          "whole_record_certified": false
        },
        {
          "overlay": "Codex 2 location cohort 68, 2026-10-24",
          "scope": "The exact original computing source street and a calculated literal Census range only. Every existing physical stage, role, quantity, title, address, county and source history stays exact. No roof, tenant floor, current operator certification or whole campus is established.",
          "fields": {
            "location_review_decision": {
              "location": {
                "lng": -71.080882,
                "lat": 42.378617,
                "precision": "address",
                "basis": "The original operator computing source identifies 50 Inner Belt Road, Somerville, MA 02143. One complete unique literal Census street range supports this calculated street reference inside the unchanged county. No roof, tenant floor, surveyed parcel, whole campus or current computing operation is certified. Original source publication date and imagery acquisition date are unknown; imagery may predate construction."
              },
              "reference_method": "Census interpolated street address",
              "published_address": "50 Inner Belt Road, Somerville, MA 02143",
              "county_fips": [
                "25017"
              ],
              "operator_coordinates_adopted": false,
              "corporate_address_adopted": false
            }
          },
          "notes": [
            "The exact original computing source street and a calculated literal Census range only. Every existing physical stage, role, quantity, title, address, county and source history stays exact. No roof, tenant floor, current operator certification or whole campus is established.",
            "The inherited general area coordinate was not an independently reviewed computing street reference. The exact original computing source and one complete literal Census query uniquely support this bounded street reference inside the unchanged county. The measured correction is 85.1 metres. This documents a source reference correction, not physical relocation, title, current operation, a selected building or a complete campus boundary.",
            "Original public operator embedded BOS1 brochure page1supplies the complete computing street. Page2prints Innerbelt as one word; both complete literal forms are retained. No build year, quantity, source filename day or roof right is adopted.",
            "The source setting shows the literal street among substantial buildings, rail corridors and nearby housing. The two printed street spellings are preserved. No roof, floor, title, current operation or complete campus is inferred."
          ],
          "sources": [
            {
              "url": "https://storage.pardot.com/994882/17224640545qQymEWJ/BOS1_Evocative_Data_Sheet_02.02.24.pdf",
              "host": "storage.pardot.com",
              "published": "",
              "date": "",
              "checked": "2026-10-24",
              "label": "Exact original named computing site street, distinct from mail and technical figures"
            },
            {
              "url": "https://geocoding.geo.census.gov/geocoder/geographies/onelineaddress?address=50+Inner+Belt+Road%2C+Somerville%2C+MA+02143&benchmark=Public_AR_Current&vintage=Current_Current&format=json",
              "host": "geocoding.geo.census.gov",
              "published": "",
              "date": "",
              "checked": "2026-10-24",
              "label": "Complete literal published street query, calculated range only"
            },
            {
              "url": "https://imagery.nationalmap.gov/arcgis/rest/services/USGSNAIPPlus/ImageServer/exportImage?bbox=-71.08757032413196%2C42.373676288537546%2C-71.07419367586805%2C42.38355771146245&bboxSR=4326&imageSR=3857&size=600%2C600&format=png&f=image",
              "host": "imagery.nationalmap.gov",
              "published": "",
              "date": "",
              "checked": "2026-10-24",
              "label": "Actually viewed source setting, acquisition date unknown"
            }
          ],
          "checked": "2026-10-24",
          "whole_record_certified": false
        }
      ],
      "manual_source_reviewed": true,
      "whole_record_certified": false,
      "field_evidence_present": true,
      "inventory_label_retained": true,
      "precision_label": "Calculated street reference, not a roof or tenant floor",
      "summary": "Somerville · Middlesex · Source context reviewed",
      "status_scope": "Evocative explicitly offers colocation space and power available now at its named BOS1 Boston-market facility. Marketing availability is a service listing, not independently verified occupancy. This supports only the qualified stage described by the source, not an opening date, every hall being operational, full energized capacity, independently verified certification, legal ownership or parcel accuracy."
    }
  ],
  "compilation_license": "withheld_pending_owner_decision"
}
