The swiftness of lightning: The cultural and social dimensions of incised lines on archaeological arrows from alpine ice patches in Canada’s Northwest Territories
Why this work is in the frame
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Bibliographic record
Abstract
This paper examines the significance of incised sinuous lines, known as “lightning lines,” recently identified on two archaeological birch arrows recovered from melting alpine ice patches in Canada’s Subarctic. Ethnographic observations demonstrate that the practice of inscribing similar lines on arrows was widespread across Plains and southern Dene cultures. Archaeological evidence suggests that the trait may be associated with the arrival of a new cultural tradition within the American Southwest, western central Plains, and Great Basin regions in the precontact era, possibly affiliated with the Dene migration from the Subarctic to the Southwest circa AD 1200–1400. We hypothesize that the lightning lines may be a marker of Dene identity as groups arrived in the Great Basin and Southwest, and that the presence of the motif on the two arrows in the Subarctic may also represent a northward transmission of ideas and a continued long-distance axis of interaction of Dene peoples throughout much of western North America in the late precontact era.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.007 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 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 it