# SBOM for ncrystal-core 4.2.12 > Library for thermal neutron transport in crystals and other materials. The Python package ncrystal-core 4.2.12 ships 2 SBOM files (CycloneDX) inside its wheels, under `.dist-info/sboms/` ([PEP 770](https://peps.python.org/pep-0770/)). Its wheels carry a verified PEP 740 attestation. - Package URL (PURL): `pkg:pypi/ncrystal-core@4.2.12` - PyPI: https://pypi.org/project/ncrystal-core/4.2.12/ - Author: NCrystal developers (Thomas Kittelmann, Xiao Xiao Cai) - License: Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. Definitions. "License" shall mean the terms and conditions for… - Requires Python: \>=3.8 - Bug Tracker: - Homepage: ## SBOMs ### ncrystal\_core-4.2.12-py3-none-musllinux\_1\_2\_aarch64.whl PEP 740 attestation verified (GitHub, mctools/ncrystal, workflow pypi.yml). - [ncrystal\_core-4.2.12.dist-info/sboms/auditwheel.cdx.json](https://pypi.sbomify.com/artifact/a669c289-9fc6-5b48-b9a0-d52c268de250/download): CycloneDX/1.4, `application/vnd.cyclonedx+json`, valid, no known vulnerabilities ### ncrystal\_core-4.2.12-py3-none-musllinux\_1\_2\_x86\_64.whl PEP 740 attestation verified (GitHub, mctools/ncrystal, workflow pypi.yml). - [ncrystal\_core-4.2.12.dist-info/sboms/auditwheel.cdx.json](https://pypi.sbomify.com/artifact/293a0a0f-6b66-506d-b98e-39499e1ea220/download): CycloneDX/1.4, `application/vnd.cyclonedx+json`, valid, no known vulnerabilities ## Known vulnerabilities Components listed in these SBOMs, matched against the [OSV database](https://osv.dev/) as of 2026-11-10. OSV has no known vulnerabilities for the components these SBOMs list. ## Fetch it over TEA This SBOM is served over the [Transparency Exchange API](https://github.com/CycloneDX/transparency-exchange-api) (TEA). With the `libtea` client: ``` pip install libtea python -m libtea https://pypi.sbomify.com pkg:pypi/ncrystal-core@4.2.12 ``` Machine-readable copy of this page: https://pypi.sbomify.com/package/ncrystal-core/4.2.12.json --- From pypi-tea by sbomify: https://pypi.sbomify.com/package/ncrystal-core/4.2.12