Non-listening nodes make connections to listening nodes and the first message they send is their version:
https://en.bitcoin.it/wiki/Protocol_documentation#version
npub10l…ms9ug
2026-07-18 17:49:00 UTC
in reply to nevent1q…gc5f
Author Public Key
npub10lrzse62vddqwsscqcmjurmhtxh545zf6q7ez9q25ddlc7p7saeqems9ugPublished at
2026-07-18 17:49:00 UTCEvent JSON
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