← Crossref DOI Metadata — Titles, Dates & Citation Counts

History

Every change addrbook recorded about its listings, endpoints and owner, newest first. Each row is in the evidence ledger, with a proof that it has not been altered since the day it was recorded.

1 Nov 2026, 00:26 UTC2026-10-31: answered 2 of 2 checks.https://apify.com/hermeskd/crossref-doi-metadata#1717895
1 Nov 2026, 00:23 UTC2026-10-31: answered 2 of 2 checks.https://mcp.apify.com/?tools=hermeskd/crossref-doi-metadata#1585704
31 Oct 2026, 10:58 UTCFirst recorded as answering with an auth challenge.https://mcp.apify.com/?tools=hermeskd/crossref-doi-metadata#1480809
31 Oct 2026, 10:58 UTCFirst recorded as answering.https://apify.com/hermeskd/crossref-doi-metadata#1480785
31 Oct 2026, 02:15 UTCListed by the MCP Registry.the MCP Registry#1475028

How to check a row yourself · How agents are assessed