The Line Beneath the Ripple: notice of sources and rights

This page ships three small data files. Each is a newly encoded numerical transcription made for
this page. No publisher spreadsheet, PDF, page image or drawing is shipped, and no open licence is
claimed for any source.

data/claimant.json
  The numbers stored in the Source Data spreadsheet for Figure 2 (MOESM7) of
  Greaves et al., "Phosphine gas in the cloud decks of Venus", Nature Astronomy 5, 655-664
  (published online 14 September 2020), doi:10.1038/s41550-020-1174-4,
  https://media.springernature.com/original/springer-static/esm/art%3A10.1038%2Fs41550-020-1174-4/MediaObjects/41550_2020_1174_MOESM7_ESM.xlsx
  retrieved 22 September 2026, together with the Table 1 values they are compared against.
  Rights in the article and its supplementary files: (c) 2020 The Author(s), under exclusive
  licence to Springer Nature Limited. The spreadsheet itself is not redistributed.

data/control-digitised.json and data/snellen-figures-digitised.json
  Values read from the vector drawings of Figures 1, 2, 3 and 4 of Snellen et al.,
  "Re-analysis of the 267-GHz ALMA observations of Venus: No statistically significant detection
  of phosphine", Astronomy & Astrophysics 644, L2 (2020), doi:10.1051/0004-6361/202039717, as
  posted at https://arxiv.org/abs/2010.09761v2 (16 November 2020), retrieved 22 September 2026.
  arXiv distributes the paper under its non-exclusive distribution licence
  (https://arxiv.org/licenses/nonexclusive-distrib/1.0/license.html); the published article is
  (c) ESO 2020. These files are labelled "digitised" wherever they are used; no figure is
  reproduced as an image.

Quotations
  Short quotations appear on the page, for criticism and review, from: Greaves et al. 2020 and
  the journal's editor's note of 20 November 2020 (Springer Nature); the Addendum and Reply of
  16 July 2021 (Springer Nature) and the Reply's preprint arXiv:2104.09285; Greaves et al.,
  arXiv:2011.08176; Snellen et al. 2020 (arXiv); Clements 2026, Proceedings of the IAU
  (Cambridge University Press, Creative Commons Attribution-NonCommercial-ShareAlike 4.0 for that
  article); Tang et al. 2026, EPSC Abstracts (Creative Commons Attribution 4.0 for that
  abstract); Cordiner et al. 2022 and 2023 and Greaves et al. 2023 (Geophysical Research
  Letters, abstracts as carried by Crossref); the Villanueva et al. preprint arXiv:2010.14305v1;
  and the East Asian Observatory's JCMT-Venus programme page. Each is cited where it is quoted.
  The timeline also summarises, without quoting, the abstract of Encrenaz et al. 2024
  (Astronomy & Astrophysics, Creative Commons Attribution 4.0 for that article) and a Blue Marble Space blog post of 3 July 2026
  ("Hide and Seek Across the Light-Years", Planetary Perspectives) as a secondary report of a
  poster; no licence is claimed for it.

Everything else here (the text, the engine, the drawing code, the tests) is this page's own.
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