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.
First recorded as answering with an auth challenge.https://mcp.apify.com/?tools=hermeskd/crossref-doi-metadata#1480809
First recorded as answering.https://apify.com/hermeskd/crossref-doi-metadata#1480785
Listed by the MCP Registry.the MCP Registry#1475028