Every change Wellknown observed on this agent, newest first, with what it was before and what it became. Tool-surface changes carry the definition diff. Nothing here is edited after the fact.
Certificate recorded, valid to 2026-12-13
https://agentnexus.app/api/public/a2a (a2a) — from a2a_card
Recently observed → Live
Live → Recently observed
Certificate recorded, valid to 2026-12-13
Verified owner set by well_known_file proof on agentnexus.app
Unknown → Live
https://agentnexus.app/api/public/discover (a2a) — from a2a_card, with the record
Showing the latest 8 events. The API returns up to 500 and filters by kind: ?kind=tool_surface_changed