{
  "schema_version": 1,
  "source_compilation_context": {
    "in": {
      "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/in.json",
      "updated": "2026-10-24"
    }
  },
  "scope": "Retained county context, which can be broad or unresolved. No parcel or municipal jurisdiction is inferred. 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": "counties",
    "key": "18077",
    "label": "Jefferson County, Indiana"
  },
  "records": [
    {
      "id": "jefferson-proving-ground-data-center-jefferson-county-in",
      "state": "in",
      "kind": "facility",
      "name": "Jefferson Proving Ground Data Center",
      "group": "unknown",
      "status": "Status unclear",
      "raw_status": "",
      "status_field": "",
      "crypto": false,
      "type": "Data center (inventory classification)",
      "counties": [
        "Jefferson"
      ],
      "city": "Madison",
      "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. Named project context: original issuer statement, local reporting or advocacy concerns, with source role and historical/proposed scope explicit.. Bob Demaree/Paxton, Madison Courier April1,2026 original Ford-family interviews/planning report:549-acre JPG airport proposal/nine buildings7,175,657sf, February site-plan approval reported CONDITIONED on federal/state permits. Not all construction approvals or an operating campus.1880-acre family property is broader, not additive. Three-to-four-year phased timeline has no exact RFS.300 future onsite jobs/$60M annual county tax are forecasts, not payroll/paid receipts. No-abatement/developer-pays-upgrades/closed-loop-water promises not executed ESA, no-rate-increase finding or measured zero site water.25M charitable commitment includes1.5M fairground allocation and500k initial expected, not all additive or verified disbursed. No actual MW stated. Not all fields, current operation, permits, exact parcel or critical IT independently verified.",
      "date": "",
      "events": [],
      "timeline": [],
      "opened": "",
      "tier": "",
      "sources": [
        {
          "url": "https://www.madisoncourier.com/carroll_news_democrat/news/proposed-jpg-data-center-could-generate-60m-taxes-annually/article_2804a794-5c76-548f-be98-8975b84b2284.html",
          "host": "madisoncourier.com",
          "date": "",
          "published": "",
          "checked": "2026-10-15",
          "date_kind": "publication date not established",
          "label": "Reviewed source"
        },
        {
          "url": "https://www.jeffersoncounty.in.gov/",
          "host": "www.jeffersoncounty.in.gov",
          "published": "",
          "date": "",
          "checked": "2026-10-23",
          "label": "Reviewed government record"
        }
      ],
      "loc": {
        "lat": 38.78558,
        "lng": -85.43845,
        "precision": "county",
        "basis": "Shown at county level only. The dot is placed inside the county for the map and is not the site, its address or a parcel."
      },
      "reviewed_evidence": [
        {
          "overlay": "national-issuer-filings-local-plans-and-circular-source-holds-round85-2026-10-15.json",
          "scope": "Named project context: original issuer statement, local reporting or advocacy concerns, with source role and historical/proposed scope explicit.",
          "fields": {},
          "notes": [
            "Bob Demaree/Paxton, Madison Courier April1,2026 original Ford-family interviews/planning report:549-acre JPG airport proposal/nine buildings7,175,657sf, February site-plan approval reported CONDITIONED on federal/state permits. Not all construction approvals or an operating campus.1880-acre family property is broader, not additive. Three-to-four-year phased timeline has no exact RFS.300 future onsite jobs/$60M annual county tax are forecasts, not payroll/paid receipts. No-abatement/developer-pays-upgrades/closed-loop-water promises not executed ESA, no-rate-increase finding or measured zero site water.25M charitable commitment includes1.5M fairground allocation and500k initial expected, not all additive or verified disbursed. No actual MW stated.",
            "Not all fields, current operation, permits, exact parcel or critical IT independently verified."
          ],
          "sources": [
            {
              "url": "https://www.madisoncourier.com/carroll_news_democrat/news/proposed-jpg-data-center-could-generate-60m-taxes-annually/article_2804a794-5c76-548f-be98-8975b84b2284.html",
              "host": "madisoncourier.com",
              "date": "",
              "published": "",
              "checked": "2026-10-15",
              "date_kind": "publication date not established",
              "label": "Reviewed source"
            }
          ],
          "whole_record_certified": false
        },
        {
          "overlay": "Codex 3 research cohort 63",
          "scope": "The complete original County home body describes government and a rescheduled two mile buffer hearing. It does not independently name the exact Jefferson Proving Ground computing project or establish present construction or service. The buffer notice is not assigned to a computing application without a read exact subject. An inherited private permitted label and military property history are not computing operation.",
          "fields": {
            "current_stage_evidence": {
              "outcome": "official_county_context_exact_proving_ground_stage_held",
              "scope": "The complete original County home body describes government and a rescheduled two mile buffer hearing. It does not independently name the exact Jefferson Proving Ground computing project or establish present construction or service. The buffer notice is not assigned to a computing application without a read exact subject. An inherited private permitted label and military property history are not computing operation."
            },
            "source_read_scope": {
              "complete_original_county_home_body_read": true,
              "buffer_hearing_not_assumed_computing_subject": true,
              "no_physical_status_or_permission_inferred": true
            }
          },
          "notes": [
            "The complete original County home body describes government and a rescheduled two mile buffer hearing. It does not independently name the exact Jefferson Proving Ground computing project or establish present construction or service. The buffer notice is not assigned to a computing application without a read exact subject. An inherited private permitted label and military property history are not computing operation.",
            "Existing location, jurisdiction, provider roles, identities, quantities and physical opening dates remain unchanged. Administrative evidence and prospective dates do not certify computing operation."
          ],
          "sources": [
            {
              "url": "https://www.jeffersoncounty.in.gov/",
              "host": "www.jeffersoncounty.in.gov",
              "published": "",
              "date": "",
              "checked": "2026-10-23",
              "label": "Reviewed government record"
            }
          ],
          "checked": "2026-10-23",
          "whole_record_certified": false
        }
      ],
      "manual_source_reviewed": true,
      "whole_record_certified": false,
      "field_evidence_present": false,
      "inventory_label_retained": true,
      "precision_label": "Exact site not published; shown at county level",
      "summary": "Madison · Jefferson · Source context reviewed",
      "location_display": {
        "policy": "reviewed-map-references-2026-10-23",
        "decision": "withheld_unreviewed_point",
        "scope": "The available point evidence does not establish a supported site location. No site pin, nearby distance or aerial destination is published. The original coordinate and its provenance remain in research history.",
        "county_display": "18077"
      }
    }
  ],
  "compilation_license": "withheld_pending_owner_decision"
}