A free sample of the daily publication diff of Japan's corporate number registry (published by the National Tax Agency): companies newly registered, changed, closed, and revived, classified by change type.
sample_diff_20261106.csv— the first 100 records of the 2026-11-06 publication diff.census_summary.json— the full census of that day's diff: 2,617 records (new 1,404 / changed 895 / closed 298 / revived 20), with breakdowns by change code and prefecture. The change-code census follows the NTA resource definition: code 22 is counted as revivals, not closures.
This sample is the same file published on Zenodo (DOI: https://doi.org/10.5281/zenodo.24046548, license as recorded there) and on Hugging Face: https://huggingface.co/datasets/lexusdev7/regbase-jp-registry-diff-sample
- Full dated archives and analysis packs (BOOTH): https://regbase.booth.pm/
- Signed-record API (Ed25519-signed JSON records by corporate number): https://regbase.local-connect-design.trade
- Try the signature yourself — in-browser verification demo: https://regbase.local-connect-design.trade/verify
- API docs (Postman public workspace): https://www.postman.com/regbase-198277/workspace/regbase/overview
- The same three operations as Apify actors: https://apify.com/regbase/jp-diff-feed , https://apify.com/regbase/jp-company-lookup , https://apify.com/regbase/jp-signed-record
Source data: National Tax Agency corporate number publication (https://www.houjin-bangou.nta.go.jp/).