Tohoku University

Crossref DOI Registration Membership

Three Tohoku University units are Crossref members registering DOIs under their own prefixes, verified against api.crossref.org on 2026-09-01 — member 622 Tohoku University Medical Press (10.1620, 11,651 DOIs), member 1484 Mathematical Institute, Tohoku University (10.2748, 3,004 DOIs), member 2470 Graduate School of Information Sciences, Tohoku University (10.4036, 575 DOIs). This is a membership fact about the institution, not a contract it publishes; Crossref's own API is Crossref's and is not saved here.

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Conformance
https://raw.githubusercontent.com/api-evangelist/tohoku/refs/heads/main/conformance/tohoku-conformance.yml

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API entry from apis.yml

apis.yml Raw ↑ 
aid: tohoku:crossref-membership
name: Crossref DOI Registration Membership
x-operator: registry
description: Three Tohoku University units are Crossref members registering DOIs under their own prefixes,
  verified against api.crossref.org on 2026-09-01 — member 622 Tohoku University Medical Press (10.1620,
  11,651 DOIs), member 1484 Mathematical Institute, Tohoku University (10.2748, 3,004 DOIs), member 2470
  Graduate School of Information Sciences, Tohoku University (10.4036, 575 DOIs). This is a membership
  fact about the institution, not a contract it publishes; Crossref's own API is Crossref's and is not
  saved here.
humanURL: https://www.crossref.org/members/prep/622
baseURL: https://api.crossref.org/members/622
tags:
- Crossref
- DOI
- Registry
- Scholarly Publishing
- Persistent Identifiers
properties:
- type: Conformance
  url: conformance/tohoku-conformance.yml