# Rights, attribution and third-party notices

Copyright 2026 23N Labs Research Team for the original material identified below. The public release date is 2026-10-21.

| Artifact | Terms |
| --- | --- |
| Original Python source in `src/` and `robustness/*/src/`, `verify_release.py`, and code cells in the three notebooks | Apache License 2.0; see `LICENSE-CODE.txt` |
| Paper, appendix, original figures, result summaries, claims ledger, explanatory documentation and notebook prose | Creative Commons Attribution 4.0 International; see `LICENSE-CONTENT.txt` |
| Original synthetic data generated by the simulator | Creative Commons Attribution 4.0 International; generated raw forecast arrays are not part of this upload |
| `data/festivals.json` | Third-party factual calendar compilation from Office Holidays with a Drik Panchang cross-check; outside both 23N grants. Source URLs and page hashes accompany each record, with method and override in `data/calendar-crosscheck.md`. Upstream terms are not replaced or asserted here. |
| Publisher model weights | Not distributed. Yug-1, TimesFM 2.5 and Chronos-Bolt base remain under their respective upstream terms. |

The owner authorized republication of this study's calendar compilation under decision D076. That permission is for the release of this package and does not represent a new license from the calendar publishers or a license for their web pages. No page text, images, or raw HTML are included. Calendar dates and source annotations are retained for factual provenance.

AI tools assisted coding, analysis and manuscript preparation. No individual author or independent human review is asserted.