{
  "schema_version": 1,
  "source_compilation_context": {
    "ms": {
      "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/ms.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": "28045",
    "label": "Hancock County, Mississippi"
  },
  "records": [
    {
      "id": "navy-dsrc-stennis-space-center-ms",
      "state": "ms",
      "kind": "facility",
      "name": "Navy DoD Supercomputing Resource Center",
      "group": "operating",
      "status": "Institution reported computing service",
      "raw_status": "operating",
      "status_field": "current_status",
      "crypto": false,
      "type": "Data center (inventory classification)",
      "counties": [
        "Hancock"
      ],
      "city": "Stennis Space 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. Personally read public named-source context only; no whole-record certification. See public-preview, identity and date limitations.. Machine acceptance is not opening of a new physical campus. The 68-million-USD amount spans two contracts, not this facility alone. Petaflops measure computation, not MW; fleet performance, maximum authorized users and named systems are not counts of data-center buildings or current utilization. Original approvals and later observed outcomes take precedence; future dates have no assumed result. 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://defensescoop.com/2023/04/27/navys-powerful-new-supercomputer-nautilus-is-officially-open-for-dod-use/",
          "host": "defensescoop.com",
          "date": "2023-04-27",
          "published": "2023-04-27",
          "checked": "2026-10-14",
          "date_kind": "publication",
          "label": "Reviewed source"
        },
        {
          "url": "https://centers.hpc.mil/users/docs/navy/introGuide.html",
          "host": "centers.hpc.mil",
          "published": "",
          "date": "",
          "checked": "2026-10-24",
          "label": "Reviewed government record"
        }
      ],
      "loc": {
        "lat": 30.4158,
        "lng": -89.48851,
        "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": "regional-development-review-round28-2026-10-14.json",
          "scope": "Personally read public named-source context only; no whole-record certification. See public-preview, identity and date limitations.",
          "fields": {
            "reported_context": "DefenseScoop reports Navy DSRC acceptance and availability of the Nautilus supercomputer at Stennis after 2022 delivery, distinguishing it from Narwhal and the broader DSRC fleet.",
            "independently_verified_current_operating_status": null
          },
          "notes": [
            "Machine acceptance is not opening of a new physical campus. The 68-million-USD amount spans two contracts, not this facility alone. Petaflops measure computation, not MW; fleet performance, maximum authorized users and named systems are not counts of data-center buildings or current utilization.",
            "Original approvals and later observed outcomes take precedence; future dates have no assumed result.",
            "Fields can apply to shared campus, regional or historical context; consult source review before assigning to a building."
          ],
          "sources": [
            {
              "url": "https://defensescoop.com/2023/04/27/navys-powerful-new-supercomputer-nautilus-is-officially-open-for-dod-use/",
              "host": "defensescoop.com",
              "date": "2023-04-27",
              "published": "2023-04-27",
              "checked": "2026-10-14",
              "date_kind": "publication",
              "label": "Reviewed source"
            }
          ],
          "whole_record_certified": false
        },
        {
          "overlay": "Codex 3 research cohort 75",
          "scope": "Selected original public agency guide introduction explicitly identifies the Navy DSRC at Stennis and describes maintained research computing service. This supports institution reported computing service at the named center scope. The introduction does not independently certify every system, current uptime, restricted workloads or exact commissioning. The unavailable original Navy dedication article was not substituted with its indexed text or another copy. Only public guide context was read, with no restricted pages, account applications or computing access requested.",
          "fields": {
            "current_stage_evidence": {
              "outcome": "current_public_agency_named_navy_stennis_computing",
              "scope": "Selected original public agency guide introduction explicitly identifies the Navy DSRC at Stennis and describes maintained research computing service. This supports institution reported computing service at the named center scope. The introduction does not independently certify every system, current uptime, restricted workloads or exact commissioning. The unavailable original Navy dedication article was not substituted with its indexed text or another copy. Only public guide context was read, with no restricted pages, account applications or computing access requested."
            },
            "source_read_scope": {
              "original_public_introductory_guide_sections1_1_through1_3_read": true,
              "not_complete_guide_or_every_system_review": true,
              "no_restricted_page_account_application_or_computing_access": true,
              "no_capacity_current_uptime_or_security_certification": true
            }
          },
          "notes": [
            "Selected original public agency guide introduction explicitly identifies the Navy DSRC at Stennis and describes maintained research computing service. This supports institution reported computing service at the named center scope. The introduction does not independently certify every system, current uptime, restricted workloads or exact commissioning. The unavailable original Navy dedication article was not substituted with its indexed text or another copy. Only public guide context was read, with no restricted pages, account applications or computing access requested.",
            "Existing roles, identities, physical placement, jurisdiction assignments, technical quantities and exact first opening days remain unchanged. A document date does not date physical commissioning."
          ],
          "sources": [
            {
              "url": "https://centers.hpc.mil/users/docs/navy/introGuide.html",
              "host": "centers.hpc.mil",
              "published": "",
              "date": "",
              "checked": "2026-10-24",
              "label": "Reviewed government record"
            }
          ],
          "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": "Exact site not published; shown at county level",
      "summary": "Stennis Space Center · Hancock · Source context reviewed",
      "status_scope": "Selected original public agency guide introduction explicitly identifies the Navy DSRC at Stennis and describes maintained research computing service. This supports institution reported computing service at the named center scope. The introduction does not independently certify every system, current uptime, restricted workloads or exact commissioning. The unavailable original Navy dedication article was not substituted with its indexed text or another copy. Only public guide context was read, with no restricted pages, account applications or computing access requested.",
      "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": "28045"
      }
    }
  ],
  "compilation_license": "withheld_pending_owner_decision"
}
