Upload cot_synthesis2_arxiv-high/2_text_document.idx with huggingface_hub

.gitattributes

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 Nemotron-CC-medium-actual-actual-mid/part_563_text_document.idx filter=lfs diff=lfs merge=lfs -text
+cot_synthesis2_arxiv-high/2_text_document.idx filter=lfs diff=lfs merge=lfs -text

cot_synthesis2_arxiv-high/2_text_document.idx

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