HALRON METALHEAD — NVIDIA NEMOTRON MODEL ATTRIBUTION

Model: NVIDIA Nemotron 3.5 Lightning 30B A3B
Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.

Original model publisher: NVIDIA
Declared base checkpoint:
https://huggingface.co/nvidia/NVIDIA-Nemotron-3.5-Lightning-30B-A3B-BF16

MLX conversion publisher: mlx-community
Exact conversion repository and revision:
https://huggingface.co/mlx-community/NVIDIA-Nemotron-3.5-Lightning-30B-A3B-4bit/tree/55ac8c89261109b36c04371cd3f479a4594208c8
The pinned conversion card attributes the conversion to mlx-lm 0.31.3,
using affine 4-bit quantization with group size 64.
The original base revision used for conversion is not stated in that card.

Governing model licence: OpenMDW License Agreement, version 1.1.
The complete agreement, including NVIDIA's copyright notice, is retained
verbatim in NVIDIA-Nemotron-3.5-Lightning-OpenMDW-1.1-LICENSE.txt.
Exact retained licence source:
https://huggingface.co/nvidia/NVIDIA-Nemotron-3.5-Lightning-30B-A3B-BF16/resolve/a9904d24bcc1d289a1950fa9d2b978c47cf903b9/LICENSE
SHA-256: d7c8a9e5d1896d0a9588319cc7b1433e64645ad6d9e55632c30b78d8c038c23b
Official agreement: https://openmdw.ai/license/1-1/

The inspected conversion and upstream inventories contain no separate
NOTICE file. This HALRON-prepared attribution index is not represented
as an upstream NOTICE. Preserve the agreement and all applicable
copyright and origin notices when distributing model materials.

HALRON does not bundle the model weights. Model integration permission
and retained licence materials do not establish runtime compatibility,
measured memory requirements, output quality or release acceptance.
The model licence does not change HALRON's prohibition on executing
downloaded repository scripts or other remote code.
