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Scroll Lens
Copyright 2026 Chase Hendrick and Scrolls contributors

The Scroll Lens code (app.py, lens.py, viewer.js and the tools/ scripts) is licensed under the Apache License, Version 2.0.
See LICENSE.

Scroll Lens copies no third-party code. When it starts, it downloads the following at pinned versions and uses them
under their own licenses, which still apply:

- dinovol, https://github.com/ScrollPrize/dinovol at commit a72fda2b1e02389a8711b3dc6a26215237f35eca:
  MIT License, Copyright (c) 2024 Vesuvius Challenge. Parts of it are derived from DINOv2 (Apache License 2.0,
  Meta Platforms, Inc. and affiliates) and DINOv3 (DINOv3 License Agreement, Meta Platforms, Inc. and affiliates);
  see that repository's THIRD_PARTY_NOTICES.md and LICENSES/.
- villa's vesuvius package, https://github.com/ScrollPrize/villa at commit
  b29f310957c7b29e7d332f9876e0e487819cfaa3: MIT License, Copyright (c) Vesuvius Challenge.
- Model weights from the Hugging Face Hub, each MIT licensed by the Vesuvius Challenge (scrollprize):
  scrollprize/dinovol_v2_ps8_with_paris4_352500, scrollprize/ink_3d_dino_guided (including its
  avg_ref_embedding.npy) and scrollprize/surface_recto_3dunet. The three models are described in Angelotti et al.
  2026, https://arxiv.org/abs/2606.29085.

Scan data: Scroll Lens reads CT scans from the Vesuvius Challenge open data, licensed CC BY-NC 4.0
(https://creativecommons.org/licenses/by-nc/4.0/). Giorgio Angelotti, Stephen Parsons, Sean Johnson, Elian Rafael
Dal Prà, Johannes Rudolph, Paul Tafforeau, Alessandro Mirone, Paul Henderson, Hendrik Schilling, Forrest McDonald,
David Josey, Youssef Nader, C. Seth Parker, W. Brent Seales. Vesuvius Challenge: CT Scans of Herculaneum Papyri.
Vesuvius Challenge. https://scrollprize.org/data

The gallery cubes in gallery/ are model outputs computed from that data, so they are derived data under
CC BY-NC 4.0 as well. They hold no scan voxels: the page reads the scan again from the open-data bucket.