CONFERENCE METADATA — incomplete historical coverage; source presence is not proof of delivery.
Research dataset: Lukas Walter, Clemens Sauerwein, Daniel Woods, InfoSec.pptx, https://doi.org/10.5281/zenodo.15989593, CC BY 4.0 https://creativecommons.org/licenses/by/4.0/. Changes: metadata extraction, exact-match reconciliation and uncertainty flags. No endorsement implied.

{
  "id": "hope-2018-58d224159d230f5a",
  "title": "Mixing DTMF Tones in Space, Illuminating the Aurora with Giant Cat Pics, and Other True Stories About HAARP",
  "presenters": [
    "Chris Fallen"
  ],
  "event": "HOPE 2018",
  "year": "2018",
  "source_url": "https://xii.hope.net/schedule.html#-mixing-dtmf-tones-in-space-illuminating-the-aurora-with-giant-cat-pics-and-other-true-stories-about-haarp-",
  "source_kind": "Official HOPE title/presenter list",
  "source_file": "hope2018-talks.html",
  "rights": "Metadata and source links only; no abstracts, biographies or media republished",
  "delivery_status": "Not independently verified",
  "title_status": "source supplied",
  "presenter_status": "source display credit; grouped names preserved",
  "media": [
    {
      "kind": "source-linked media",
      "url": "https://xii.hope.net/audio/A28_Mixing_DTMF_Tones_in_Space_---_and_Other_True_Stories_About_HAARP.mp3"
    }
  ],
  "provenance": [
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      "url": "https://xii.hope.net/schedule.html",
      "file": "hope2018-talks.html",
      "policy": "robots HTTP 200",
      "sha256": "705965343e0e5a9ad35ac8ca2232a8f9e7e380a8c3a1c00a6295bc239bb0fd46",
      "checked": "2026-10-16T03:49:24Z",
      "status": "cached; extraction pending",
      "decoded_as": "UTF-8"
    }
  ]
}