| # Component licences |
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| Copyright © 2026 Louis Robinson for original CES contributions. |
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|
| - **Reconstruction code:** [MIT](licenses/MIT.txt). |
| - **Original CES annotations, generated edit recipes, reference manifests and |
| documentation:** [CC BY 4.0](licenses/CC-BY-4.0.txt), to the extent the author |
| holds rights. Attribute Louis Robinson, *Causal Edit Serialization*, link to |
| https://github.com/Louiii/CES and the licence, and identify modifications. |
| - **ClimbMix source material:** [CC BY-NC 4.0](licenses/CC-BY-NC-4.0.txt), as |
| specified by NVIDIA's original distribution. This covers source passages in |
| pretraining candidates, copy-scan records and controlled-repair data; CES adds |
| corruptions, annotations and serialization. Karpathy's shuffled card states |
| MIT, but CES does not interpret shuffling as removing the original restrictions. |
| - **CoEdIT:** complete source/target sentences, serialized copies and complete |
| corrupted sentences are excluded. Reference IDs/hashes and generated edit |
| recipes require a separately obtained upstream copy. The official distribution |
| states Apache 2.0; underlying NUCLE/Lang-8 terms raise unresolved redistribution |
| questions described in the README. Reconstruction does not relicense that text. |
|
|
| Source passages, including reversible token representations, are not licensed |
| as original CES contributions. Original CES model weights under `checkpoints/` are CC BY 4.0 to the extent |
| of rights held by Louis Robinson. Training-data terms are not automatically |
| assigned to weights; this grant does not relicense source text or warrant the |
| absence of third-party rights in every downstream use. No benchmark result |
| records are included in this release. No permissions are asserted for |
| third-party rights the author does not hold. |
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| Source terms checked on 3 October 2026. [NOTICE.md](NOTICE.md) records attribution |
| and modifications. These notices do not imply endorsement by upstream authors. |
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