Cose

PIC Profile 0.2 defines centralized PIC-X-mediated continuity advancement.

The active PIC profile is:

https://pic-protocol.org/profiles/0.2

This article defines the external PIC Token JWT envelope and the native COSE artifacts for that profile.

Initialization is separate from non-initial continuity advancement:

OAuth access token
+
Initial Continuity Proposal
→ PIC-X
→ PIC PCA COSE 0
→ PIC Continuity COSE 0
→ PIC Token JWT 0

Non-initial continuity advancement uses the current trusted continuity artifact: