{
  "title": "NASA primary-source files supporting the X-43A Mach-7 thermal timeline",
  "retrieved": "2026-10-04",
  "files": [
    {
      "file": "20040111308.pdf",
      "title": "Hyper-X Hot Structures Comparison of Thermal Analysis and Flight Data",
      "authors": "Ruth M. Amundsen, Charles P. Leonard, Walter E. Bruce III",
      "publisher": "NASA Langley Research Center; Fifteenth Annual Thermal and Fluids Analysis Workshop, 2004",
      "official_record": "https://ntrs.nasa.gov/citations/20040111308",
      "official_pdf": "https://ntrs.nasa.gov/api/citations/20040111308/downloads/20040111308.pdf",
      "pages": 24,
      "locators": [
        "PDF p. 20: T093/T094 exceed the +35% prediction at about 83 s",
        "PDF p. 21 / Figure 19: T093 temperature trace",
        "PDF p. 17 (printed p. 16): X-43A separates from Pegasus at about 95 s"
      ],
      "sha256": "92f555c8c2045d6ca0129d7661e71f018f8961f30dce80210a73245f117dd8d0",
      "notes": "Official NASA NTRS PDF retained byte-for-byte. Thermal sensors report temperature, not direct heat flux."
    },
    {
      "file": "20050215122.pdf",
      "title": "Hyper-X Mach 7 Scramjet Design, Ground Test and Flight Results",
      "authors": "Shelly M. Ferlemann, Charles R. McClinton, Ken E. Rock, Randy T. Voland",
      "publisher": "NASA Langley Research Center; 13th AIAA/CIRA International Space Planes and Hypersonic Systems Technologies Conference (2005)",
      "official_record": "https://ntrs.nasa.gov/citations/20050215122",
      "official_pdf": "https://ntrs.nasa.gov/api/citations/20050215122/downloads/20050215122.pdf",
      "pages": 9,
      "locators": [
        "PDF p. 5 / Figure 8: cowl-open and fuel-on events on the flight timeline relative to separation"
      ],
      "sha256": "417975ca18190bc60c749b0a15c7847c443279cfc44d93af9e932509dea8f4c0",
      "notes": "NASA NTRS classifies this as a public preprint; its copyright record says government public use permitted. Official NTRS PDF retained byte-for-byte. The downloaded file is image-based; automated text extraction did not recover text."
    }
  ]
}