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README.md

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 Copiale Lines is a line-level image-to-text dataset for historical cipher decipherment. It contains cropped line images from the Copiale manuscript paired with plaintext ground truth.
 
-This dataset was presented in the paper [Learning to Decipher from Pixels -- A Case Study of Copiale](https://huggingface.co/papers/2604.23683) (HistoCrypt 2026).
+This dataset was presented in the paper [Learning to Decipher from Pixels -- A Case Study of Copiale](https://arxiv.org/abs/2604.23683) (HistoCrypt 2026).
 
 **Code:** [https://github.com/leitro/Decipher-from-Pixels-Copiale](https://github.com/leitro/Decipher-from-Pixels-Copiale)