# Third-Party Notices

This file records external works cited by Research Stack notes, concept
archives, or citation metadata. Inclusion here does not mean the external work
is vendored, reimplemented, sublicensed, or promoted as an internal claim.

## Harmonic Shape Transform (HST)

- Project: Harmonic Shape Transform (HST)
- Author: Pavel Krahulik
- Repository: <https://github.com/sel8888/harmonic-shape-transform-2026-koncept>
- Local use: external reference / search anchor for spectral shape coordinates
  and semantic eigenvector bundle analogies.
- Code status: not vendored; not imported; not reimplemented.
- License preservation:
  - Upstream `LICENSE` states GNU GPL v3.
  - Upstream `README.md` also states non-commercial CC BY-NC 4.0 research/use
    terms, commercial licensing contact, and GPL-3.0/open-source conditions.
  - Upstream `Legal.md` states GPL-3.0 obligations for derivative use and
    separate commercial licensing for commercial or closed-source use.
- Research Stack handling: cite and link only unless explicit permission or a
  compatible licensing path is established.

## WebGPU Geant4-DNA

- Project: WebGPU Geant4-DNA
- Author: Ahmet Baris Gunaydin
- Repository: <https://github.com/abgnydn/webgpu-dna>
- Local use: external reference / search anchor for browser-resident WebGPU
  Monte Carlo track-structure simulation, Independent-Reaction-Time chemistry,
  and B-DNA SSB/DSB scoring.
- Code status: not vendored; not imported; not reimplemented.
- License preservation:
  - Upstream `LICENSE` states MIT for the simulation code.
  - Upstream `LICENSE` and `README.md` state that Geant4-DNA / G4EMLOW
    cross-section data is distributed separately under the Geant4 Software
    License.
- Research Stack handling: cite and link only unless code/data is imported
  through a compatible licensing and attribution path.