DS2502(3) on Linux
The text bcc8a9c8d99b, as Debian 7 (Wheezy) shipped it.
Add-Only Memory (1 kBit) DS2502-E48 - 48-bit Node Address Chip DS2502-UNW - UniqueWare Add-Only Memory (1 kBit) DS1982 - Add-Only iButton (1 kBit) DS1982U - UniqueWare iButton (1 kBit)