{"api_version":2,"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","id":"e5eadb3d-2cad-418a-ac73-7bcd035c49a6","source_url":"https://zambo.dev/api/receipt/e5eadb3d-2cad-418a-ac73-7bcd035c49a6","receipt":{"id":"e5eadb3d-2cad-418a-ac73-7bcd035c49a6","created_at":"2026-10-17T03:02:33.665Z","receipt_schema_version":"0.4","job_summary":"MCP tool execution: bill_audit","tools":["bill_audit"],"steps":[{"tool":"bill_audit","status":"success","started_at":"2026-10-17T03:02:31.512Z","completed_at":"2026-10-17T03:02:33.665Z"}],"output_hash":"sha256:3ae208247877b809f4632ba86412a78e671ea939c47e073bdb30cf71dc4ffae6","hash_algorithm":"sha256","canonical_bytes":"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","canonical_bytes_withheld_for_privacy":false,"canonical_byte_length":2030,"verification_status":"verified","session_trail":[],"result_preview":"{\"potential_errors\":[{\"item\":\"EC2 instance types\",\"issue\":\"Overprovisioned instance sizes for dev workloads\",\"estimated_impact\":\"$500\"},{\"item\":\"On-demand usage\",\"issue\":\"No Reserved Instances or Savings Plans applied\",\"estimated_impact\":\"$400\"},{\"item\":\"Idle instances\",\"issue\":\"Instances running 24/7 with low CPU utilization\",\"estimated_impact\":\"$300\"}],\"negotiation_script\":\"Hello, I'm reviewing our AWS bill and noticed the $2,400 charge for dev EC2 instances. Could we discuss options to reduce costs, such as applying Savings Plans, converting to Reserved Instances, or rightsizing the instances? We're also seeing some idle resources that might be terminated. I'd appreciate any credits or discounts you can offer for a long‑term partnership.\",\"estimated_savings\":\"$1,200 (approximately 50% of the current bill)\",\"best_approach\":\"Combine rightsizing, Reserved Instances/Savings Plans, and request a goodwill credit for the past month.\",\"[REDACTED_SECRET]\":[\"Long‑term AWS relationship\",\"Potential to increase usage if costs are optimized\",\"High spend category (over $2k) qualifies for Enterprise discount\",\"Willingness to commit to Reserved Instances\"],\"escalation_path\":\"If the account manager cannot provide a discount, request escalation to the AWS Enterprise Support team or a senior pricing specialist.\",\"verdict\":\"Bill appears high for dev workloads; likely overprovisioned and missing discounts. Negotiation is viable.\",\"disclaimer\":\"AI analysis — verify all charges with your provider before disputing.\"}","result_preview_integrity":"display_only_not_committed","result_preview_truncated":false,"input_hash":"sha256:f62cb4558222f67717f6da5ec13be24993216914742f7830c379172abf0e011e","input_hash_layout":"zambo-json-sorted-keys-utf8-v1","free_used":0,"free_remaining":0,"free_limit":0,"signal_handle":null,"tool":{"name":"bill_audit","version":"4.0.0","scope":"public"},"caller":{"type":"anonymous","id":"sha256:831c0b63a8e508a6e53738c083ac40181438af8f6d1b1be7ea56ff0cfa7668a9","basis":"ip_ua_30d","rotates_at":"2026-11-03T00:00:00.000Z"},"side_effects":{"declared":["none"],"schema_version":"zambo-side-effects/1","declaration_hash":"sha256:45aad38f3aa982b9aafe92ecb416ebe98791eddbaf8ab6df0bd08605b7c1bfee"},"evidence_sha256":null,"evidence_url":null,"evidence_byte_length":null,"evidence_content_type":null,"evidence_source_url":null,"evidence_status":"no_upstream_bytes_captured","external_evidence":[],"provenance":null,"provenance_class":"EXECUTED BY ZAMBO","metadata_hash":"sha256:e23ad7e4e8c388694366c3a6f871253d4f91766f866c6ea2052b4bd607d8c946","anchor":{"event_id":"faa3a2dc3496edf8705683a3fe5b4960bacd14eb326568f067970369e65ee364","pubkey":"e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41","relays":["wss://relay.damus.io","wss://nos.lol","wss://relay.primal.net"],"status":"partial","published_at":"2026-10-17T03:02:40.461Z","schema_version":"zambo-receipt-anchor/1","envelope":{"anchored_at":"2026-10-17T03:02:33.665Z","evidence_url":null,"receipt_uuid":"e5eadb3d-2cad-418a-ac73-7bcd035c49a6","output_sha256":"sha256:3ae208247877b809f4632ba86412a78e671ea939c47e073bdb30cf71dc4ffae6","schema_version":"zambo-receipt-anchor/1","evidence_sha256":null,"evidence_byte_length":null},"envelope_bytes":"{\"anchored_at\":\"2026-10-17T03:02:33.665Z\",\"evidence_byte_length\":null,\"evidence_sha256\":null,\"evidence_url\":null,\"output_sha256\":\"sha256:3ae208247877b809f4632ba86412a78e671ea939c47e073bdb30cf71dc4ffae6\",\"receipt_uuid\":\"e5eadb3d-2cad-418a-ac73-7bcd035c49a6\",\"schema_version\":\"zambo-receipt-anchor/1\"}"},"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","api_version":1,"verification_scope":"separate_sha256_commitment_and_provenance_binding_checks","checks":{"commitment_matches":{"label":"SHA-256 commitment","passed":true,"status":"pass","detail":"The exact decoded canonical bytes match the stored SHA-256 output hash."},"canonical_payload_matches":{"label":"Canonical payload reconstruction","passed":true,"status":"pass","detail":"The stored output and known call context reconstruct the exact canonical bytes."},"provenance_binding":{"label":"Provenance claim binding","status":"pass","passed":true,"detail":"The metadata claim is consistent with the verified receipt bytes; issuer is not authenticated."},"metadata_binding":{"label":"AER-1 metadata hash","status":"pass","passed":true,"detail":"metadata_hash matches the canonical metadata block."},"signature":{"label":"Ed25519 signature (not checked)","passed":false,"status":"not_checked","detail":"No Ed25519 signature or pinned signing key was checked."},"chain":{"label":"Receipt chain (not checked)","passed":false,"status":"not_checked","detail":"No append-only receipt-chain proof was checked."},"issued_by_zambo_dev":{"label":"Issuer authentication","passed":false,"status":"not_checked","detail":"A zambo.dev receipt URL does not authenticate the issuer; no pinned signature or trusted issuer key was checked."},"immutable_log_timestamp":{"label":"Stored timestamp","passed":true,"timestamp":"2026-10-17T03:02:33.665Z","detail":"The receipt store reports 2026-10-17T03:02:33.665Z; immutability is not checked here."},"receipt_schema_version":"0.4","signature_valid":{"label":"Ed25519 signature (not checked)","passed":false,"status":"not_checked","detail":"Compatibility field only. No Ed25519 signature was checked; use API v2 checks.commitment_matches for the SHA-256 commitment."},"chain_valid":{"label":"Receipt chain (not checked)","passed":false,"status":"not_checked","detail":"This endpoint does not verify an append-only chain."}},"execution_context":{"environment":"zambo.dev hosted MCP"}},"verification_status":"verified","checks":{"commitment_matches":{"status":"pass","passed":true,"expected_hash":"sha256:3ae208247877b809f4632ba86412a78e671ea939c47e073bdb30cf71dc4ffae6","computed_hash":"sha256:3ae208247877b809f4632ba86412a78e671ea939c47e073bdb30cf71dc4ffae6","detail":"SHA-256 of the exact decoded canonical bytes matches output_hash."},"canonical_payload_matches":{"label":"Canonical payload reconstruction","passed":true,"status":"pass","detail":"The stored output and known call context reconstruct the exact canonical bytes."},"provenance_binding":{"label":"Provenance claim binding","status":"pass","passed":true,"detail":"The metadata claim is consistent with the verified receipt bytes; issuer is not authenticated."},"metadata_binding":{"label":"AER-1 metadata hash","status":"pass","passed":true,"detail":"metadata_hash matches the canonical metadata block."},"issuer_authentication":{"label":"Issuer authentication","passed":false,"status":"not_checked","detail":"A zambo.dev receipt URL does not authenticate the issuer; no pinned signature or trusted issuer key was checked."},"signature":{"status":"not_checked","detail":"No Ed25519 signature or pinned signing key is supplied."},"schema":{"status":"not_checked","detail":"Schema conformance is left to the client using the linked hosted-profile schema."},"chain":{"status":"not_checked","detail":"This endpoint does not verify an append-only receipt chain."}}}