{
  "schema_version": 1,
  "source_compilation_context": {
    "mi": {
      "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/mi.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": "mi/byron-center",
    "label": "Byron Center, Michigan"
  },
  "records": [
    {
      "id": "123net-dc4-byron-center-mi",
      "state": "mi",
      "kind": "facility",
      "name": "123NET DC4 Grand Rapids Data Center",
      "group": "operating",
      "status": "Reported service",
      "raw_status": "operating",
      "status_field": "current_status",
      "crypto": false,
      "type": "Data center (inventory classification)",
      "counties": [
        "Kent"
      ],
      "city": "Byron Center",
      "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. four named Michigan sections. Detroit/GrandRapidsaremarketlabels; publishedmunicipalitiesSouthfield/ByronCenterretained. Colocationareasnotwholebuilding. A/BsupplynotITMW; noindependentenergization. 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.123.net/data-center-colocation/",
          "host": "123.net",
          "date": "",
          "published": "",
          "checked": "2026-10-14",
          "date_kind": "publication date not established",
          "label": "Reviewed source"
        },
        {
          "url": "https://6121234.fs1.hubspotusercontent-na1.net/hubfs/6121234/Data%20Center%20Tech%20Specs-DC4%20(1).pdf",
          "host": "6121234.fs1.hubspotusercontent-na1.net",
          "published": "",
          "date": "",
          "checked": "2026-10-23",
          "label": "Exact current named operator service address section"
        },
        {
          "url": "https://geocoding.geo.census.gov/geocoder/geographies/onelineaddress?address=400+76th+Street+SW%2C+Byron+Center%2C+MI+49315&benchmark=Public_AR_Current&vintage=Current_Current&format=json",
          "host": "geocoding.geo.census.gov",
          "published": "",
          "date": "",
          "checked": "2026-10-23",
          "label": "Unique calculated street range and county match"
        },
        {
          "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"
        },
        {
          "url": "https://basemap.nationalmap.gov/arcgis/rest/services/USGSImageryOnly/MapServer/export?bbox=-85.6769711940423%2C42.82306147506553%2C-85.6683974074717%2C42.829349653290464&bboxSR=4326&imageSR=3857&size=1000%2C1000&format=png&f=image",
          "host": "basemap.nationalmap.gov",
          "published": "",
          "date": "",
          "checked": "2026-10-23",
          "label": "Actually viewed setting, acquisition date unknown"
        }
      ],
      "loc": {
        "lng": -85.672684,
        "lat": 42.826206,
        "precision": "address",
        "basis": "Current named 123NET service address 400 76th Street SW Suite 12, Byron Center, MI 49315 matched to one Census street range inside the retained county. Calculated service street reference only, not a surveyed roof, parcel, tenant unit or full campus. Existing native status remains operating."
      },
      "reviewed_evidence": [
        {
          "overlay": "captured-operator-review-round6-2026-10-14.json",
          "scope": "four named Michigan sections",
          "fields": {
            "site_sections": [
              {
                "code": "DC1",
                "address": "24700 Northwestern Hwy, Southfield, MI48075",
                "colocation_area_sqft": 80000
              },
              {
                "code": "DC2",
                "address": "24275 Northwestern Hwy, Southfield, MI48075",
                "colocation_area_sqft": 8000
              },
              {
                "code": "DC3",
                "address": "24245 Northwestern Hwy, Southfield, MI48075",
                "colocation_area_sqft": 8000
              },
              {
                "code": "DC4",
                "address": "400 76th St SW, Byron Center, MI49315",
                "colocation_area_sqft": 3500
              }
            ]
          },
          "notes": [
            "Detroit/GrandRapidsaremarketlabels; publishedmunicipalitiesSouthfield/ByronCenterretained. Colocationareasnotwholebuilding. A/BsupplynotITMW; noindependentenergization.",
            "Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building."
          ],
          "sources": [
            {
              "url": "https://www.123.net/data-center-colocation/",
              "host": "123.net",
              "date": "",
              "published": "",
              "checked": "2026-10-14",
              "date_kind": "publication date not established",
              "label": "Reviewed source"
            }
          ],
          "whole_record_certified": false
        },
        {
          "overlay": "Codex 3 research cohort 24",
          "scope": "123NET current colocation page explicitly identifies DC4 among its four named data centers and says it operates those facilities. It describes customer colocation use, with DC4 used for primary or backup service and the Southfield facilities identified by their separate codes. Operator reported service describes the current named facility service account, not every advertised technical specification, independently measured uptime or a precise opening day. Regional Detroit or Grand Rapids wording does not change the inherited street, municipality, county or provider role. No advertised capacity, certification or location is promoted.",
          "fields": {
            "current_stage_evidence": {
              "outcome": "current_operator_named_facility_service_not_generic_regional_announcement",
              "scope": "123NET current colocation page explicitly identifies DC4 among its four named data centers and says it operates those facilities. It describes customer colocation use, with DC4 used for primary or backup service and the Southfield facilities identified by their separate codes. Operator reported service describes the current named facility service account, not every advertised technical specification, independently measured uptime or a precise opening day. Regional Detroit or Grand Rapids wording does not change the inherited street, municipality, county or provider role. No advertised capacity, certification or location is promoted."
            },
            "source_scope": {
              "specific_facility_code": "DC4",
              "all_four_codes_explicit_in_current_source": true,
              "operator_present_service_statement": true,
              "current_service_check_not_opening_day": true,
              "advertised_sizes_and_certifications_not_promoted": true
            }
          },
          "notes": [
            "123NET current colocation page explicitly identifies DC4 among its four named data centers and says it operates those facilities. It describes customer colocation use, with DC4 used for primary or backup service and the Southfield facilities identified by their separate codes. Operator reported service describes the current named facility service account, not every advertised technical specification, independently measured uptime or a precise opening day. Regional Detroit or Grand Rapids wording does not change the inherited street, municipality, county or provider role. No advertised capacity, certification or location is promoted.",
            "The review preserves existing physical identity, locations, roles, quantities and opening fields. Source issue dates, review checks and physical milestones remain distinct."
          ],
          "sources": [
            {
              "url": "https://www.123.net/data-center-colocation/",
              "host": "www.123.net",
              "published": "",
              "date": "",
              "checked": "2026-10-23",
              "label": "Reviewed operator source"
            }
          ],
          "checked": "2026-10-23",
          "whole_record_certified": false
        },
        {
          "overlay": "Codex 2 location cohort 25, October 23, 2026",
          "scope": "Calculated named operator service street reference only. Existing native status remains operating. Protected facts remain exact.",
          "fields": {
            "location_review_decision": {
              "location": {
                "lng": -85.672684,
                "lat": 42.826206,
                "precision": "address",
                "basis": "Current named 123NET service address 400 76th Street SW Suite 12, Byron Center, MI 49315 matched to one Census street range inside the retained county. Calculated service street reference only, not a surveyed roof, parcel, tenant unit or full campus. Existing native status remains operating."
              },
              "reference_method": "Census interpolated street address",
              "published_address": "400 76th Street SW Suite 12, Byron Center, MI 49315",
              "county_fips": [
                "26081"
              ],
              "operator_coordinates_adopted": false,
              "corporate_address_adopted": false
            }
          },
          "notes": [
            "The exact current operator numeric service street is matched to one Census range in the retained county. This is a calculated service street reference, not a surveyed roof, legal parcel, title, floor, tenant unit or full campus boundary.",
            "All original identity, native status, physical dates, quantities, roles, canonical address and jurisdiction wrappers remain exact. Operator performance, space, power and completion statements are not adopted.",
            "Raw Census coordinates remain unchanged in source history. Public interpolated coordinates round to six decimal places below 0.1 metre displacement. This is not a survey accuracy claim. Official imagery acquisition date is unknown and may predate construction. No residential roof is selected.",
            "The current named code section links this exact operator brochure, whose first address page was actually viewed. No printed roof rights, completed year, footprint, technical figure or pictured roof is adopted. Brochure publication date is unknown.",
            "Suite 12 remains in the published address and viewed source evidence. The Census query omits only the suite for the service street reference. No tenant unit, separate roof or independent building coordinate is established."
          ],
          "sources": [
            {
              "url": "https://6121234.fs1.hubspotusercontent-na1.net/hubfs/6121234/Data%20Center%20Tech%20Specs-DC4%20(1).pdf",
              "host": "6121234.fs1.hubspotusercontent-na1.net",
              "published": "",
              "date": "",
              "checked": "2026-10-23",
              "label": "Exact current named operator service address section"
            },
            {
              "url": "https://geocoding.geo.census.gov/geocoder/geographies/onelineaddress?address=400+76th+Street+SW%2C+Byron+Center%2C+MI+49315&benchmark=Public_AR_Current&vintage=Current_Current&format=json",
              "host": "geocoding.geo.census.gov",
              "published": "",
              "date": "",
              "checked": "2026-10-23",
              "label": "Unique calculated street range and county match"
            },
            {
              "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"
            },
            {
              "url": "https://basemap.nationalmap.gov/arcgis/rest/services/USGSImageryOnly/MapServer/export?bbox=-85.6769711940423%2C42.82306147506553%2C-85.6683974074717%2C42.829349653290464&bboxSR=4326&imageSR=3857&size=1000%2C1000&format=png&f=image",
              "host": "basemap.nationalmap.gov",
              "published": "",
              "date": "",
              "checked": "2026-10-23",
              "label": "Actually viewed setting, acquisition date unknown"
            },
            {
              "url": "https://www.123.net/data-center-colocation/",
              "host": "www.123.net",
              "published": "",
              "date": "",
              "checked": "2026-10-23",
              "label": "Retained exact brochure address page or named current code section"
            }
          ],
          "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": "Operator service address reference, not a surveyed building or parcel",
      "summary": "Byron Center · Kent · Source context reviewed",
      "status_scope": "123NET current colocation page explicitly identifies DC4 among its four named data centers and says it operates those facilities. It describes customer colocation use, with DC4 used for primary or backup service and the Southfield facilities identified by their separate codes. Operator reported service describes the current named facility service account, not every advertised technical specification, independently measured uptime or a precise opening day. Regional Detroit or Grand Rapids wording does not change the inherited street, municipality, county or provider role. No advertised capacity, certification or location is promoted."
    },
    {
      "id": "us-signal-mi02-byron-center-mi",
      "state": "mi",
      "kind": "facility",
      "name": "US Signal MI02 Grand Rapids Data Center",
      "group": "operating",
      "status": "Operator-listed colocation service",
      "raw_status": "operating",
      "status_field": "current_status",
      "crypto": false,
      "type": "Data center (inventory classification)",
      "counties": [
        "Kent"
      ],
      "city": "Byron Center",
      "address": "",
      "who": "US Signal",
      "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. named operator source. Headline zero counters not usable area or IT capacity. Generator/UPS and utility kVA retained separately; redundancy does not multiply usable IT MW. Year built not exact data-center opening. Same published street address as 123NET DC4; co-location, ownership change or duplicate requires reconciliation before physical-building count. 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://ussignal.com/data-centers/mi02-grand-rapids/",
          "host": "ussignal.com",
          "date": "",
          "published": "",
          "checked": "2026-10-14",
          "date_kind": "publication date not established",
          "label": "Reviewed source"
        },
        {
          "url": "https://geocoding.geo.census.gov/geocoder/geographies/onelineaddress?address=400+76th+Street+SW%2C+Byron+Center%2C+MI+49315&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 calculated street method and limits"
        }
      ],
      "loc": {
        "lat": 42.826205564178,
        "lng": -85.672684300757,
        "precision": "address",
        "basis": "Published US Signal facility address 400 76th Street SW, Byron Center, MI 49315 matched to one Census street range inside the existing county. Calculated street reference, not a surveyed parcel, roof, suite, floor, full campus or property ownership finding."
      },
      "reviewed_evidence": [
        {
          "overlay": "captured-operator-review-round6-2026-10-14.json",
          "scope": "named operator source",
          "fields": {
            "operator_site_code": "MI02",
            "published_address": "400 76th Street SW, Byron Center, MI49315",
            "generator_kw": 450,
            "ups_kw": 250,
            "utility_kva": 1500,
            "operator_reported_year_built": null
          },
          "notes": [
            "Headline zero counters not usable area or IT capacity. Generator/UPS and utility kVA retained separately; redundancy does not multiply usable IT MW. Year built not exact data-center opening.",
            "Same published street address as 123NET DC4; co-location, ownership change or duplicate requires reconciliation before physical-building count.",
            "Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building."
          ],
          "sources": [
            {
              "url": "https://ussignal.com/data-centers/mi02-grand-rapids/",
              "host": "ussignal.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": "US Signal describes MI02 in Byron Center as a current in-market disaster-recovery counterpart to MI01. These remain separate existing research records. 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": "US Signal describes MI02 in Byron Center as a current in-market disaster-recovery counterpart to MI01. These remain separate existing research records. 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": [
            "US Signal describes MI02 in Byron Center as a current in-market disaster-recovery counterpart to MI01. These remain separate existing research records."
          ],
          "sources": [
            {
              "url": "https://ussignal.com/data-centers/mi02-grand-rapids/",
              "host": "ussignal.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 8, October 22, 2026",
          "scope": "Official facility street reference only. No canonical address, status, physical date, quantity, company role, jurisdiction, title, parcel, full campus or distinct building identity is adopted.",
          "fields": {
            "location_review_decision": {
              "location": {
                "lat": 42.826205564178,
                "lng": -85.672684300757,
                "precision": "address",
                "basis": "Published US Signal facility address 400 76th Street SW, Byron Center, MI 49315 matched to one Census street range inside the existing county. Calculated street reference, not a surveyed parcel, roof, suite, floor, full campus or property ownership finding."
              },
              "reference_method": "Census interpolated street address",
              "published_address": "400 76th Street SW, Byron Center, MI 49315",
              "county_fips": [
                "26081"
              ],
              "operator_coordinates_adopted": false,
              "corporate_address_adopted": false
            }
          },
          "notes": [
            "The named official facility source publishes this service address. Corporate headquarters, related locations and maps are excluded. The blank native address wrapper remains exact, with the facility address retained only in reviewed location evidence.",
            "The unique Census street match and retained county boundary agree with the existing county. A calculated street reference does not establish a roof, floor, suite, full campus boundary, parcel, title or independent physical building. Status, dates, capacity and jurisdiction remain exact."
          ],
          "sources": [
            {
              "url": "https://ussignal.com/data-centers/mi02-grand-rapids/",
              "host": "ussignal.com",
              "published": "",
              "date": "",
              "checked": "2026-10-22",
              "label": "Official named facility street address block"
            },
            {
              "url": "https://geocoding.geo.census.gov/geocoder/geographies/onelineaddress?address=400+76th+Street+SW%2C+Byron+Center%2C+MI+49315&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 calculated street method and limits"
            }
          ],
          "checked": "2026-10-22",
          "whole_record_certified": false
        },
        {
          "overlay": "Company role source check 27, October 23, 2026",
          "scope": "US Signal identifies the retained MI02 facility on its current provider page. Operator per source records that provider relationship. It does not establish legal property ownership, sole operation of a shared building or a separate legal operating entity. Existing identity, stage, street, county, coordinates and quantities stay unchanged. Publication date is unknown; the source check is not an opening date. Marketing service levels, certification claims and animated zero counters are not adopted as measured facility facts.",
          "fields": {
            "company_association": {
              "name": "US Signal",
              "role": "operator",
              "identity_scope": "provider_brand_only",
              "scope": "US Signal identifies the retained MI02 facility on its current provider page. Operator per source records that provider relationship. It does not establish legal property ownership, sole operation of a shared building or a separate legal operating entity. Existing identity, stage, street, county, coordinates and quantities stay unchanged. Publication date is unknown; the source check is not an opening date. Marketing service levels, certification claims and animated zero counters are not adopted as measured facility facts."
            },
            "provider_role": "operator"
          },
          "notes": [
            "US Signal identifies the retained MI02 facility on its current provider page. Operator per source records that provider relationship. It does not establish legal property ownership, sole operation of a shared building or a separate legal operating entity. Existing identity, stage, street, county, coordinates and quantities stay unchanged. Publication date is unknown; the source check is not an opening date. Marketing service levels, certification claims and animated zero counters are not adopted as measured facility facts."
          ],
          "sources": [
            {
              "url": "https://ussignal.com/data-centers/mi02-grand-rapids/",
              "host": "ussignal.com",
              "published": "",
              "date": "",
              "checked": "2026-10-23",
              "label": "Current named MI02 provider relationship"
            }
          ],
          "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": "Byron Center · Kent · Source context reviewed",
      "status_scope": "US Signal describes MI02 in Byron Center as a current in-market disaster-recovery counterpart to MI01. These remain separate existing research records. 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"
}