Evaluating the Evidence for Lunar Calendars in Upper Palaeolithic Parietal Art
Bibliographic record
Abstract
In this paper, we examine the lunar calendar interpretation to evaluate whether it is a viable explanation for the production of Upper Palaeolithic parietal art. We consider in detail the history of this approach, focusing on recently published variations on this interpretation. We then discuss the scientific method and whether these recent studies are designed to address the research questions necessary to test a lunar calendar hypothesis. More broadly, we explore challenges related to inferring meaning in art of the deep past, the use of secondary sources and selecting appropriate ethnographic analogies. Finally, we assess claims that the lunar calendar interpretation documents the world's oldest (proto)writing system. We conclude that the lunar calendar interpretation as currently construed suffers from multiple theoretical and methodological weaknesses preventing it from being a viable explanation for the production of Upper Palaeolithic art. We further find that claims following from this interpretation to have discovered the oldest known (proto)writing system are unsubstantiated.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.007 | 0.031 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.006 | 0.005 |
| Science and technology studies | 0.001 | 0.006 |
| Scholarly communication | 0.003 | 0.002 |
| Open science | 0.001 | 0.002 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.007 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".