{
  "title": "HVEPS-related publications and source-access status",
  "checked_date": "2026-10-04",
  "scope": "Bibliographic and bounded source-access reconciliation only; not a reproduction of either the HVEPS test or its CFD analysis.",
  "records": [
    {
      "citation": "Lineberry, J. T., Begg, L., Castro, J. H., Litchford, R. J., & Donohue, J. M. (2007). HVEPS Scramjet-Driven MHD Power Demonstration Test Results (Preprint). AFRL-PR-WP-TP-2007-233, accession ADA471429.",
      "doi_record": "https://doi.org/10.2514/6.2007-3880",
      "doi": "10.2514/6.2007-3880",
      "evidence_class": "ground-test report / experimental component evidence",
      "source_copy_url": "https://dtic.minsky.ai/index/ADA471429",
      "local_copy_sha256": "58BBB34829C30439F3D6AA1AC27E31430C01657DEF5E1F29F959598B4EE734BB",
      "source_access_status": "The official NTIS/NTRL ADA471429 record served the 32-page AFRL preprint PDF. Its SHA-256 differs from the retained third-party indexed copy; side-by-side visual inspection of printed p. 27 / PDF p. 29 confirms the displayed Table VI rows match. Side-by-side inspection also compared Figures 16-17 on printed p. 16 / physical PDF p. 18: titles, axes, captions, time windows, principal waveforms and the prominent approximately 32.2 s current spike correspond. The retained third-party crops use different background/trace colors and rendering; this is not pixel identity or point-by-point data validation, and does not clear reproduction rights. The retained color file remains the basis for existing source-image crops. This comparison authenticates only the official downloaded file and inspected table content, not every digital element or absent raw test telemetry. The official preprint labels Fig. 16 raw terminal V/I as Test No. 1; Table V maps Test No. 3 to UTRC 213.3, while Figure 27 co-labels RUN 3 and Test No. 3 Data. Figure 18 is still a plotted/filtered load-dump trace rather than released raw telemetry. See the primary-source crosswalk follow-up.",
      "supported_detail": "Table VI Test 3 mean row (89.0% combustion efficiency): 6.52 kW reported load-bank dissipation, 14.38 kW post-test active-channel output, and 14.80 kW calculated matched-load maximum. Table VI shows 15.98 kW and 15.19 kW matched-load maxima for its 81.5% low and 96.5% high cases, respectively.",
      "not_established": [
        "synchronized Test 3 species-flow and electrical telemetry",
        "complete calibration and electrical uncertainty package",
        "generator-to-accelerator loop",
        "aircraft bus power or flight thrust benefit"
      ],
      "official_bibliographic_record": "https://ntrl.ntis.gov/NTRL/dashboard/searchResults/titleDetail/ADA471429.xhtml",
      "official_pdf_url": "https://ntrl.ntis.gov/NTRL/dashboard/searchResults/titleDetail/ADA471429.xhtml",
      "official_pdf_bytes": 2218716,
      "official_pdf_sha256": "CCBC90C0BC0626328B058023D153D2F268767F85DAFD8BFD2A0DBFFACCFA1521",
      "official_pdf_pages": 32,
      "retained_third_party_sha256": "58BBB34829C30439F3D6AA1AC27E31430C01657DEF5E1F29F959598B4EE734BB",
      "retained_and_official_files_byte_identical": false
    },
    {
      "citation": "Gotoh, D., Takahashi, T., Fujino, T., Ishikawa, M., & Lineberry, J. T. (2007). Computational Analysis of HVEPS Scramjet MHD Power Generation. AIAA 38th Plasmadynamics and Lasers Conference.",
      "doi_record": "https://doi.org/10.2514/6.2007-4015",
      "crossref_record": "https://api.crossref.org/works/10.2514%2F6.2007-4015",
      "doi": "10.2514/6.2007-4015",
      "evidence_class": "computational analysis related to HVEPS; distinct from the ground-test paper",
      "source_access_status": "Bibliographic metadata was checked through Crossref. Full text, numerical input deck, machine-readable outputs and validation data were not located in this bounded check.",
      "not_established": [
        "independent reproduction of the CFD model",
        "new measurement",
        "resolution of HVEPS test-to-model differences"
      ]
    }
  ],
  "numbering_note": "Crossref metadata identifies 10.2514/6.2007-3880 with the HVEPS test-results title and authors; the 10.2514/6.2007-3881 Crossref lookup returns no registered work. A secondary bibliography uses 3881, so retain it as a documented likely miscitation. The AIAA proceedings title page itself was not obtained.",
  "figure2_index_provenance_note": "The CiteseerX extract labelled AFRL-PR-WP-TP-2007-232 is not authenticated HVEPS data: official NTIS/NTRL ADA473277 and Crossref DOI 10.2514/6.2007-4518 identify it as Thibodeaux's separate space-charge study. Its HVEPS Figure 2 text remains a contaminated/misattributed index extract. The authenticated HVEPS preprint is AFRL-PR-WP-TP-2007-233 / ADA471429; its Figure 2 is a rig schematic. Do not cite or digitize the index snippet as HVEPS/Test 3 evidence.",
  "primary_catalog_note": "Official DTIC site: https://discover.dtic.mil/ . On 2026-10-02, the public reports search displayed an offline notice. This establishes present access limitation only; it does not establish that no official record or official copy exists.",
  "interpretation": "The computational and test papers are separate evidence classes. Do not use the computational paper to authenticate the retained test-report PDF or describe model outputs as measurements."
}