# UCANPHY v1.0 coordination **URL:** \ **Category:** General\ **Created:** [July 18, 2021, 12:05pm UTC](https://forum.opencyphal.org/t/ucanphy-v1-0-coordination/1349 "2021-07-18T12:05:05Z")\ **Posts on this page:** 1\ **Showing post:** 14
**Author:** ![pavel.kirienko](https://forum.opencyphal.org/user_avatar/forum.opencyphal.org/pavel.kirienko/32/9_2.png) [@pavel.kirienko](https://forum.opencyphal.org/u/pavel.kirienko)\ **Post date:** [October 1, 2021, 10:45am UTC](https://forum.opencyphal.org/t/ucanphy-v1-0-coordination/1349/14 "2021-10-01T10:45:55Z")
> [@pavel.kirienko](#): > > This draft has been waiting long enough, so I would like to set a deadline for change proposals to Oct 1st. If there are no pending changes or unreviewed proposals by that date, the standard will go live in its current form. The document is out: > [@Cyphal/CAN Physical Layer Specification v1.0](https://forum.opencyphal.org/t/uavcan-can-physical-layer-specification-v1-0/1471): > > Today we release Cyphal/CAN Physical Layer Specification v1.0 named UCANPHY (the U is for historical reasons). The UCANPHY Specification [replaces](https://forum.opencyphal.org/t/removal-of-the-physical-layer-specification/895) the now-defunct physical layer section of the core Cyphal Specification. [UCANPHY\_Specification.pdf](https://forum.opencyphal.org/uploads/short-url/dbQwKsDMWiMVR0Q46d1yMqR6wAv.pdf) (2.6 MB) The UCANPHY standard is open to everyone, and it will always remain this way. No authorization or approval of any kind is necessary for its implementation, distribution, or use. Discussions that shaped this standard are accessible exclusively … --- _[View the full topic](https://forum.opencyphal.org/t/ucanphy-v1-0-coordination/1349)._