Kintaikyo Bridge and the <i>Kakekae</i> Process: The Authenticity of Wooden Structures Beyond the Original Material
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Bibliographic record
Abstract
Kintaikyo Bridge is located in Iwakuni, Japan. Its structure comprises four stone piers supporting five timber spans. It was originally built in 1673; however, owing to the materials and techniques employed, its durability is inherently limited. Consequently, the wooden spans have been rebuilt many times through a process known as kakekae. The kakekae of Kintaikyo Bridge includes several measures to ensure that continuity in the design, structural system, and construction techniques is maintained. This paper analyses primary sources and technical reports published in Japanese to clarify the features of Kintaikyo Bridge and its kakekae process. In addition, it examines the question of the authenticity of Kintaikyo Bridge as a cultural heritage using the framework of the Nara Document. As a result of this analysis, it becomes clear that although none of its original timbers remain, the authenticity of Kintaikyo Bridge has been faithfully safeguarded by the way the kakekae process is conducted. The methodology proposed in this paper could serve as reference for other heritage sites where authenticity needs to be assessed beyond the criterion of original material. Especially, Kintaikyo Bridge could be a relevant example for other structures that have been handed down through traditional processes involving continuous renovation.
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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 | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 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