Limits RegistryPUBLIC RECORD
Limits RegistryThe Kondō (main hall) and five-story pagoda of Hōryū-ji temple in Nara Prefecture, Japan, date to the late 7th century CE, about 1,300 years ago, and are among the oldest surviving wooden buildings in the world. Dendrochronology dates the pagoda's central pillar to a tree felled in 594 CE, and the Buddhist Monuments in the Hōryū-ji Area became Japan's first UNESCO World Heritage Site in 1993.
The question, scope, and sources behind this Registry record.
The Kondō (main hall) and five-story pagoda of Hōryū-ji temple in Nara Prefecture, Japan, date to the late 7th century CE, about 1,300 years ago, and are among the oldest surviving wooden buildings in the world. Dendrochronology dates the pagoda's central pillar to a tree felled in 594 CE, and the Buddhist Monuments in the Hōryū-ji Area became Japan's first UNESCO World Heritage Site in 1993.
The approximate age of the oldest wooden buildings that remain standing.
Change a parameter to stress-test whether a proposed result is still inside the published specification. This is an audit aid, not a proof checker.
This record has no editable parameters. Read the formal question and assumptions before challenging it.
Current frontiers derived from accepted Claims.
An observed or demonstrated result; no opposing bound is implied.
The frontier is not sacred
Most progress starts with a disagreement that survives contact with evidence. If you can push the known lower bound up or pull the upper bound down, show us the work.
≥ when you have shown that at least this value is achievable.≤ when you have shown that anything above this value is impossible.No vibes. State the value, define the scope, and link the paper, proof, code, or reproduction that lets another person check it. Editors review every challenge before the public record changes.
Challenge this recordAssertions tied to evidence, attribution, and review.
The frontier as it changed over time.
Only accepted Claims matching the current specification contribute to the displayed bounds. Strict inequalities remain open; contradictory Claims require editorial review.
1 accepted Claim, with 1 linked evidence records.
Permanent ID limitsregistry.com/limits/LR-OLDEST-SURVIVING-WOODEN-BUILDINGS
No active verified bounties are linked to this Limit.
View verified bounty tracker ↗No accepted machine-checked reproductions are recorded for this Limit.
Limits Registry. LR-OLDEST-SURVIVING-WOODEN-BUILDINGS. Oldest surviving wooden buildings. 2026.