Before Sputnik · reading guide
Resources
Everything below is derived from this case's own source records — 24 of them — plus a small curated shelf of learning materials. Verification labels say exactly how much checking stands behind each record; nothing here is a recommendation to believe, only to read.
Primary literature22
Papers, preprints, and reports the case draws on — the records to read before trusting any summary, ours included.
- SRC-VILLARROEL-2026-RESPONSEpreprint · 2026
A Response to paper Critical Evaluation of Studies Alleging Evidence for Technosignatures in the POSS1-E Photographic Plates by Watters et al. (2026)
Villarroel, B.; Streblyanska, A.; Bruehl, S.; Geier, S.
- SRC-DOHERTY-2026preprint · 2026
Independent Replication of Nuclear Test-Transient Correlations and Earth Shadow Deficit in POSS-I Photographic Plates
Doherty, B.
- SRC-HAYES-2026preprint · 2026
Independent Recovery of Vanishing Sources on POSS-I Photographic Plates Using Automated Source Detection and Cross-Epoch Matching
Hayes, Z.
- SRC-BUSKO-2026Apreprint · 2026
Searching for Fast Astronomical Transients in Archival Photographic Plates
Busko, I.
- SRC-BUSKO-2026Bpreprint · 2026
Fast Astronomical Transients in Archival Photographic Plates: Using optical aberrations as a tool for discerning real images, from plate artifacts
Busko, I.
- SRC-BRUEHL-2026-MLpaper · 2026
Use of machine learning to enhance detection of transient astronomical phenomena in historical observatory images
Bruehl, S.; Doherty, B.; Streblyanska, A.; Villarroel, B.
- SRC-CANN-2026preprint · 2026
Geomagnetic storm suppression of photographic plate transient detections in the POSS-I archive: an independent physical variable strengthening the nuclear test correlation
Cann, K.
AI-verified citationarxiv.org ↗ - SRC-DOHERTY-2026Bpreprint · 2026
Statistically Significant Linear Alignments Among High-Confidence Transient Candidates on POSS-I Photographic Plates
Doherty, B.
- SRC-CANN-2026Bpreprint · 2026
Plate Sensitivity Is Invariant Across Geomagnetic Storm Intensity at Harvard and Palomar: A Protocol for Artifact Control in Historical Plate Archive Studies
Cann, K.
- SRC-CANN-2026Cpreprint · 2026
Storm-Driven Suppression and Post-Storm Enhancement of Photographic Plate Transient Detections at Geosynchronous Altitude: Empirical Evidence and a Candidate Dusty Plasma Mechanism
Cann, K.
- SRC-ZHITNITSKY-2026preprint · 2026
Mysterious Transients in the Palomar Observatory Sky Survey (POSS-1) as profound manifestation of the Dark Matter physics
Zhitnitsky, A.
- SRC-YANG-VILLARROEL-2026preprint · 2026
Microscopy assessment of two multiple-transient candidates
Yang, J.; Villarroel, B.
- SRC-VILLARROEL-2026preprint · 2026
Modelling Palomar Transients: Constraints from Reflection Geometry and Orbital Altitude
Beatriz Villarroel; Alina Streblyanska; Hichem Guergouri; Brian Doherty; Matthew Shultz; Stephen Bruehl
- SRC-BRUEHL-2026preprint · 2026
Earth-Projected Clustering of Historical Optical Transients in the Palomar Observatory Sky Survey-I (POSS-I)
Stephen Bruehl; Beatriz Villarroel; Hichem Guergouri; Brian Doherty; Alina Streblyanska
- SRC-VILLARROEL-2025-PROFILESpreprint · 2025
On the Image Profiles of Transients in the Palomar Sky Survey
Villarroel, B.; Solano, E.; Marcy, G. W.
- SRC-VILLARROEL-2025-PASPpaper · 2025
Aligned, Multiple-transient Events in the First Palomar Sky Survey
Villarroel, B.; Solano, E.; Guergouri, H.; Streblyanska, A.; Bruehl, S.; Andruk, V. M.; Mattsson, L.; Bär, R. E.; Mimouni, J.; Geier, S.; et al.
AI-verified citationdoi.org ↗ - SRC-BRUEHL-VILLARROEL-2025paper · 2025
Transients in the Palomar Observatory Sky Survey (POSS-I) may be associated with nuclear testing and reports of unidentified anomalous phenomena
Bruehl, S.; Villarroel, B.
AI-verified citationdoi.org ↗ - SRC-SOLANO-2024paper · 2024
A bright triple transient that vanished within 50 min
Solano, E.; Marcy, G. W.; Villarroel, B.; Geier, S.; Streblyanska, A.; Lombardi, G.; Bär, R. E.; Andruk, V. N.
- SRC-HAMBLY-BLAIR-2024paper · 2024
On the nature of apparent transient sources on the National Geographic Society–Palomar Observatory Sky Survey glass copy plates
Hambly, N. C.; Blair, A.
- SRC-SOLANO-2022paper · 2022
Discovering vanishing objects in POSS I red images using the Virtual Observatory
Solano, E.; Villarroel, B.; Rodrigo, C.
- SRC-VILLARROEL-2022-GLINTpaper · 2022
A glint in the eye: Photographic plate archive searches for non-terrestrial artefacts
Villarroel, B.; Mattsson, L.; Guergouri, H.; Solano, E.; Geier, S.; Dom, O. N.; Ward, M. J.
AI-verified citationdoi.org ↗ - SRC-VILLARROEL-2021paper · 2021
Exploring nine simultaneously occurring transients on April 12th 1950
Villarroel, B.; Marcy, G. W.; Geier, S.; Streblyanska, A.; Solano, E.; Andruk, V. N.; Shultz, M. E.; Gupta, A. C.; Mattsson, L.
Critiques & counter-analyses1
Sources whose evidence in this case predominantly undermines the featured hypothesis. Read these with the same seriousness as the supporting work.
- SRC-WATTERS-2026paper · 2026
Critical Evaluation of Studies Alleging Evidence for Technosignatures in the POSS1-E Photographic Plates
Watters, W. A.; Dominé, L.; Little, S.; Pratt, C.; Knuth, K. H.; Szenher, M.
Datasets, archives & records1
Datasets, artifact records, and archival material.
- SRC-SINKKOINEN-2026dataset · 2026
plates — Bayesian reanalysis of nuclear test, UAP and plate-transient correlations
Sinkkoinen (GitHub: euxoa)
grouping is derived: a source lands under “critiques” when its evidence records in this case predominantly undermine the featured hypothesis · every entry links to its full provenance record