addrbookFor publishers
← OpenSOSData – US Business Entity Search

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. 2026-10-30: answered 2 of 2 checks.https://mcp.opensosdata.com/mcp#1420673
  2. 2026-10-30: answered 2 of 2 checks.https://opensosdata.com/#1329390
  3. 2026-10-29: answered 3 of 3 checks.https://mcp.opensosdata.com/mcp#1171737
  4. 2026-10-29: answered 3 of 3 checks.https://opensosdata.com/#1084879
  5. 2026-10-28: answered 1 of 1 checks.https://mcp.opensosdata.com/mcp#929025
  6. 2026-10-28: answered 1 of 1 checks.https://opensosdata.com/#842093
  7. 2026-10-27: answered 1 of 1 checks.https://mcp.opensosdata.com/mcp#679868
  8. 2026-10-27: answered 1 of 1 checks.https://opensosdata.com/#609782
  9. 2026-10-26: answered 1 of 1 checks.https://mcp.opensosdata.com/mcp#360402
  10. 2026-10-26: answered 1 of 1 checks.https://opensosdata.com/#322409
  11. First recorded as answering with an auth challenge. (already true when recording began)https://mcp.opensosdata.com/mcp#180614
  12. First recorded as answering. (already true when recording began)https://opensosdata.com/#146108
  13. Listed by the MCP Registry. (already true when recording began)the MCP Registry#30239

How to check a row yourself · How agents are assessed