SHA-256 of the BIN chunk of each published N261CG GLB: the binary geometry,
texture and animation data. These are NOT checksums of whole files, so
`sha256sum -c` cannot use them. Stamping rewrites only the JSON chunk.
A rebuild from this source matches every mesh, texture and animation in
these chunks except the tail beacon, whose triangles Blender lists in a
different order from run to run (same triangles; see README.txt, CHECKED).

f897124d39d03f784ebe21804ffc899aadde16743101680201ba4e623d6f5c3e  https://gtla.live/models/n261cg-s61n.glb
ebc1caefa2e0353e121624171b2675d5e1cc9118d8e38aaff28a357a42093a9c  https://gtla.live/models/mobile/n261cg-s61n.glb
