From E-Group to Funerary Pyramid: Mortuary Cults and Ancestor Veneration in the Maya Centre of Nakum, Petén, Guatemala
Bibliographic record
Abstract
Recent investigations at the Maya centre of Nakum (in Guatemala) enabled the study of the evolution of an interesting complex of buildings that started as the so-called E-Group, built during the Preclassic period ( c. 600–300 bc ). It was used for solar observations and rituals commemorating agricultural and calendrical cycles. During the Classic period ( ad 250–800), the major building of the complex (Structure X) was converted into a large pyramidal temple where several burials, including at least one royal tomb, were placed. We were also able to document evidence of mortuary cults conducted by the Maya in the temple building situated above the burials. The architectural conversion documented in Structure X may reflect important religious and social changes: a transformation from the place where the Sun was observed and worshipped to the place where deceased and deified kings were apotheosized as the Sun Deity during the Classic. Thus the Maya transformed Structure X into one of the most sacred loci at Nakum by imbuing it with a complex solar and underworld symbolism and associating it with the cult of deified ancestors.
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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 | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.002 |
| Science and technology studies | 0.004 | 0.005 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.003 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.003 | 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".