SourcingRequest, BidResponse, PurchaseOrderAcknowledgement) and schema identifiers (A2A-SR-v2.1) are illustrative domain extensions of the Google A2A Agent Card / Task protocol. Full schema definitions are in Appendix D — A2A Schema Registry. The A2A protocol itself is real; domain-specific message schemas are design proposals.
The architectural differentiator of The Autonomous Supply Chain — a complete, auditable, agent-native inter-enterprise commerce loop. No other public supply chain AI portfolio shows this end-to-end.
Watch the Autonomous Supply Chain respond — from risk signal to executed purchase order — without a human touching a form.