{"attestation_id":"att_ce01c3ba2a784505","schema":"darwin.cloud/agenticcloud/attestation/v0.2","issued_at":"2026-05-27T09:46:24Z","workload_spec_hash":"66af27007bdef0c4f5d7756ffd68919e6b9fae30f685ac38b80d88b68d2e45ee","execution_result":{"output_hash":"87a6e77e106d0aed7e2b52fd7108cee1cb8d7429dad7495e3e67d43dc40ab0a5","substrate":{"id":"local-docker-v0","version":"0.1.0","identity_signature":"KDtItT8vYsh3yJVuk2GXAqa/ksO6pQljggN86nSHs5gjNYmM8XWgcyumTBSFTQxWiIlvQ1xyqRPFyzVFSoM0Aw==","identity_signer_type":"darwin-class-key","identity_signer_key_id":"dac-class-local-docker-v0-ca698355dcb631e3","evidence_schema_id":"darwin.cloud/evidence/local-docker/v1","evidence":{"container_status":"ok","exit_code":0,"stdout_hash":"87a6e77e106d0aed7e2b52fd7108cee1cb8d7429dad7495e3e67d43dc40ab0a5","stderr_hash":"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855","wall_time_sec":0.18253803253173828},"extensions":{},"tee_required":false},"cost_usd":0.00001825,"stdout":"Hello, agent. This receipt was produced by darwin.run().\n","stderr":""},"value_added_service":{"identity_signing":{"schema_compliant":true,"keylist_url":"https://darwin-agentic-cloud.fly.dev/.well-known/substrate-keys.json"},"cost_cap_enforcement":{"cap_usd":0.1,"estimated_usd_max":0.003,"actual_usd":0.00001825,"within_cap":true,"headroom_usd":0.09998175},"routing_decision":{"policy":"pick_by_cost","chosen_substrate_id":"local-docker-v0","chosen_reason":"lowest_estimated_cost ($0.003000)","candidates_considered":1,"rejected_substrates":[]}},"signer_key_id":"dac-local-d1bf7cad25875cee","signature":"4D7u2WbmkzMhtjsPw2HAxdg8ZgH467Wgk8R++lbDqkiWRQxmzcmi0t9IqoUtyitM5v/SV8Qpaq3+cr4twZSECw=="}