Upload sft_chatbot_arena_nemotron-nano-30b-a3b_as_gpt-oss-20b_seed2 adapter from dementor matrix

README.md

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+---
+base_model: nvidia/NVIDIA-Nemotron-3-Nano-30B-A3B-BF16
+library_name: peft
+tags:
+- lora
+- sft
+- dementor-research
+---
+
+# sft_chatbot_arena_nemotron-nano-30b-a3b_as_gpt-oss-20b_seed2
+
+LoRA adapter trained via [Tinker](https://thinkingmachines.ai/tinker/) as part of the
+**dementor** intervention-ladder fingerprint persistence study (AAAI 2026 conference).
+
+- **Base model:** `nvidia/NVIDIA-Nemotron-3-Nano-30B-A3B-BF16`
+- **Training stage:** SFT (LoRA rank 32, target_modules=all-linear)
+- **Alias:** `sft_chatbot_arena_nemotron-nano-30b-a3b_as_gpt-oss-20b_seed2`
+
+## Usage
+
+```python
+from peft import PeftModel
+from transformers import AutoModelForCausalLM, AutoTokenizer
+
+base = AutoModelForCausalLM.from_pretrained("nvidia/NVIDIA-Nemotron-3-Nano-30B-A3B-BF16")
+tok = AutoTokenizer.from_pretrained("nvidia/NVIDIA-Nemotron-3-Nano-30B-A3B-BF16")
+model = PeftModel.from_pretrained(base, "ethantsliu/sft_chatbot_arena_nemotron-nano-30b-a3b_as_gpt-oss-20b_seed2")
+```
+
+Part of the dementor matrix: 4 source models × 3 cross-targets × 3 train datasets × 3 seeds × 2 stages = 216 adapters.

adapter_config.json

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+{
+  "alpha_pattern": {},
+  "auto_mapping": null,
+  "base_model_name_or_path": null,
+  "bias": "none",
+  "corda_config": null,
+  "eva_config": null,
+  "exclude_modules": null,
+  "fan_in_fan_out": false,
+  "inference_mode": false,
+  "init_lora_weights": true,
+  "layer_replication": null,
+  "layers_pattern": null,
+  "layers_to_transform": null,
+  "loftq_config": {},
+  "lora_alpha": 32,
+  "lora_bias": false,
+  "lora_dropout": 0,
+  "megatron_config": null,
+  "megatron_core": "megatron.core",
+  "modules_to_save": null,
+  "peft_type": "LORA",
+  "r": 32,
+  "rank_pattern": {},
+  "revision": null,
+  "target_modules": "all-linear",
+  "task_type": "CAUSAL_LM",
+  "trainable_token_indices": null,
+  "use_dora": false,
+  "use_rslora": false
+}

adapter_model.safetensors

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+version https://git-lfs.github.com/spec/v1
+oid sha256:b92b508846232436fedd3b2fb2664762d0fafb1b46d14b8add42954421d0b2ad
+size 1544348352

dementor_tinker_export.json

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+{
+  "base_model": "nvidia/NVIDIA-Nemotron-3-Nano-30B-A3B-BF16",
+  "format": "peft",
+  "output_dir": "/Users/EthanLiu/Documents/Programming/dementor/data/adapters/peft/sft_chatbot_arena_nemotron-nano-30b-a3b_as_gpt-oss-20b_seed2",
+  "tinker_path": "tinker://d58649f4-c4aa-5f70-acee-4eb974ab17df:train:0/sampler_weights/sft_chatbot_arena_nemotron-nano-30b-a3b_as_gpt-oss-20b_seed2_20260526220545"
+}