MIT License — original code only

Copyright (c) 2026 Sandbox Physics

Permission is hereby granted, free of charge, to any person obtaining a copy
of the original Sandbox Physics code files in this package (the Software),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.

This MIT grant covers replay.py and the original Sandbox Physics numerical
function file. It does not relicense a linked scientific paper, an external
catalog, third-party software, trademark or institutional figure. No such
software or full catalog is bundled.

Numerical inputs and source attribution:
Synthetic calibration and selected observations are original Sandbox Physics
simulations. Attribution is requested when reusing these numerical facts.
Their source/result identities are in provenance.json. All external detector
response facts retain the attribution recorded by the original model.
