maxrtc(4) on OpenBSD
The text 32a20c4ff4ba, as OpenBSD 8.0-current (2026-11-01), OpenBSD 8.0, OpenBSD 7.9, OpenBSD 7.8, OpenBSD 7.7, OpenBSD 7.6, OpenBSD 7.5, OpenBSD 7.4, OpenBSD 7.3 shipped it. The page shows this text now.
Maxim DS1307/DS1339 real-time clock