{"api_version":2,"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","id":"e2c36a8d-32d0-4677-a60b-87e40bcd7cb6","source_url":"https://zambo.dev/api/receipt/e2c36a8d-32d0-4677-a60b-87e40bcd7cb6","receipt":{"id":"e2c36a8d-32d0-4677-a60b-87e40bcd7cb6","created_at":"2026-10-26T03:02:34.472Z","receipt_schema_version":"0.4","job_summary":"MCP tool execution: bill_audit","tools":["bill_audit"],"steps":[{"tool":"bill_audit","status":"success","started_at":"2026-10-26T03:02:32.014Z","completed_at":"2026-10-26T03:02:34.472Z"}],"output_hash":"sha256:6220b34bd23c82763b2e34a460e2176205f4208006c52e61301e424dfba98d15","hash_algorithm":"sha256","canonical_bytes":"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","canonical_bytes_withheld_for_privacy":false,"canonical_byte_length":2154,"verification_status":"verified","session_trail":[],"result_preview":"{\"potential_errors\":[{\"item\":\"EC2 dev instances running 24/7\",\"issue\":\"Instances not right‑sized and running continuously\",\"estimated_impact\":\"$500/month\"},{\"item\":\"No Reserved Instances or Savings Plans applied\",\"issue\":\"Higher on‑demand rates than necessary\",\"estimated_impact\":\"$400/month\"},{\"item\":\"Spot instances not utilized where eligible\",\"issue\":\"Missing cheaper Spot pricing for flexible workloads\",\"estimated_impact\":\"$200/month\"}],\"negotiation_script\":\"Hello, I'm reviewing my AWS bill of $2,400 for dev EC2 instances. I noticed the cost seems high for development workloads. Could we explore options to reduce this, such as Reserved Instances, Savings Plans, right‑sizing, or Spot instances? I'd also like a detailed usage breakdown to ensure I'm not being overcharged.\",\"estimated_savings\":\"$1,100 per month (about 45% of the total)\",\"best_approach\":\"Ask for a usage audit, propose Reserved Instances for steady workloads, Savings Plans for flexibility, right‑size instance types, and shift eligible workloads to Spot instances.\",\"[REDACTED_SECRET]\":[\"High monthly spend\",\"Long‑term potential as a customer\",\"Competitive cloud pricing\",\"Development environment can be optimized\",\"AWS offers cost‑optimization programs\"],\"escalation_path\":\"Speak with your AWS account manager first; if no resolution, request a senior account executive; if still unresolved, open a case with AWS Support leadership.\",\"verdict\":\"The bill appears inflated; there are clear optimization and negotiation opportunities that could save roughly $1,100 monthly.\",\"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":"sha256:7579775886e20715c126835ccd60ffc9f9915b89d8792b38dc7d92be49a44fdf","anchor":{"event_id":"5224b5d65357e3ba50bcbef164ef6993320e273f5774869bb21db763f6339ea7","pubkey":"e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41","relays":["wss://relay.damus.io","wss://nos.lol","wss://relay.primal.net"],"status":"partial","published_at":"2026-10-26T03:02:35.414Z","schema_version":"zambo-receipt-anchor/1","envelope":{"anchored_at":"2026-10-26T03:02:34.472Z","evidence_url":null,"receipt_uuid":"e2c36a8d-32d0-4677-a60b-87e40bcd7cb6","output_sha256":"sha256:6220b34bd23c82763b2e34a460e2176205f4208006c52e61301e424dfba98d15","schema_version":"zambo-receipt-anchor/1","evidence_sha256":null,"evidence_byte_length":null},"envelope_bytes":"{\"anchored_at\":\"2026-10-26T03:02:34.472Z\",\"evidence_byte_length\":null,\"evidence_sha256\":null,\"evidence_url\":null,\"output_sha256\":\"sha256:6220b34bd23c82763b2e34a460e2176205f4208006c52e61301e424dfba98d15\",\"receipt_uuid\":\"e2c36a8d-32d0-4677-a60b-87e40bcd7cb6\",\"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":"2026-10-26T03:02:34.472Z","detail":"The receipt store reports 2026-10-26T03:02:34.472Z; 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":"sha256:6220b34bd23c82763b2e34a460e2176205f4208006c52e61301e424dfba98d15","computed_hash":"sha256:6220b34bd23c82763b2e34a460e2176205f4208006c52e61301e424dfba98d15","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."}}}