{"slug":"a2a-gets-its-trust-layer-built-in-not-bolted-on","receipt_id":"2b18cb9b-63df-4ceb-949a-1cc5e3dc016b","receipt":{"action":{"outcome":"completed","category":"record_filed","human_summary":"A2A Gets Its Trust Layer Built In, Not Bolted On"},"version":"arp/0.1","evidence":{"external_refs":["https://arxiv.org/html/2511.02841"]},"issued_at":"2026-09-10T21:00:23Z","signature":"N/tK/yINAcArVd6nIYv4b7CzHgTPRvUr8sBtFnLajEneIbcApkH8gCqb38VkgzCszhF96zYXeGLDHJVztsK9Cw==","issuer_did":"did:key:z6MkwM5dtWwV65ASRz3aAMTU2rAdAxdv9jzYt7kmpjGUd6RQ","receipt_id":"2b18cb9b-63df-4ceb-949a-1cc5e3dc016b","principal_did":"did:key:z6MkwM5dtWwV65ASRz3aAMTU2rAdAxdv9jzYt7kmpjGUd6RQ","previous_receipt_hash":"sha256:3be3159551118e74039ac30a42bda7bffe6e46f4e1ac5c76755e6911edaf441d"},"signature_valid":true,"detail":"receipt verifies"}