Verifiable receipt 58bd7f91 - receipt_publication result | Zambo

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What was asked: The request recorded for this receipt.

Zambo is the verifiable work layer for AI.

Zambo is the verifiable work layer for AI. Verifiable receipt for a receipt_publication call on Zambo: {"schema":"zambo.redacted-receipt-publication/1","redacted_projection":true,"source_receipt_id":"6a6

Observed result

schema: zambo.redacted-receipt-publication/1 redacted projection: true source receipt id: 6a6cfcdc-151f-4e3b-b445-3119930c7223 source output hash: sha256:146e5a78618af01f77bdfdbd60d229de9ba30bae2de73e6d73ea332af4f02169 source tool: handover publication notice: This is a newly committed redacted publication copy, not the original tool output. The original commitment is unchanged and its private bytes are withheld. output: {"handover_id":"0774ae65-9e5d-49d9-9fe3-64179b8a48af","url":"https://zambo.dev/handover/0774ae65-9e5d-49d9-9fe3-64179b8a48af","reused":false,"agent_id":"agent-ddfa398339f857b892c57b9a","agent_url":"https://zambo.dev/agent/agent-ddfa398339f857b892c57b9a","badge_url":"https://zambo.dev/badge/agent-ddfa398339f857b892c57b9a.svg","share_text":"Here's the handover for Client 5ff35de2c: Final4 5ff35de2c summary. https://zambo.dev/handover/0774ae65-9e5d-49d9-9fe3-64179b8a48af Each listed step has a verifiable receipt you can check in your browser.","workflow_receipt_url":"https://zambo.dev/run/a7a483bc-7261-46f4-ac57-23ebcddc575b","verify_url":"https://zambo.dev/api/v2/receipt/a7a483bc-7261-46f4-ac57-23ebcddc575b/verify","steps":8,"ai_use_statement":"AI use: audit helped with 3 of 8 steps. See the listed receipts.","graph":{"aer":"draft-zambo-aer1-20","edges":[{"to":"n2","from":"n1","kind":"next"},{"to":"n3","from":"n2","kind":"next"},{"to":"n4","from":"n3","kind":"next"},{"to":"n5","from":"n4","kind":"next"},{"to":"n6","from":"n5","kind":"next"}],"nodes":[{"ai":{"name":"Zambo rubric","used":false},"id":"n1","seal":{"reason":"An eligible pass is required to seal this workflow. Individual receipts remain available.","sealed":false},"type":"plan","label":"Plan bounded checks","receipt":"ac33d5fc-65ee-4857-bf2c-ef2c6df67702"},{"ai":{"name":"audit","used":true},"id":"n2","seal":{"reason":"An eligible pass is required to seal this workflow. Individual receipts remain available.","sealed":false},"type":"do","label":"your work","receipt":"8eb1a4f8-96ee-4ef4-b800-f16440f477ea"},{"ai":{"name":"Zambo rubric","used":false},"id":"n3","seal":{"reason":"An eligible pass is required to seal this workflow. Individual receipts remain available.","sealed":false},"type":"check","check":{"what":"Source URLs resolve; reachability only, not support for a claim","reason":"No source URLs supplied.","result":"not_checked"},"label":"Check source reachability","receipt":"e79627b5-449a-42e0-8eca-4798878704d6"},{"ai":{"name":"Zambo rubric","used":false},"id":"n4","seal":{"reason":"An eligible pass is required to seal this workflow. Individual receipts remain available.","sealed":false},"type":"check","check":{"what":"Check citation markers","reason":"Additional checks require a pass after the first free loop.","result":"not_checked"},"label":"Check citation markers","receipt":"8a5b031b-023e-4dd6-81d6-065ab1108ed4"},{"ai":{"name":"Zambo rubric","used":false},"id":"n5","seal":{"reason":"An eligible pass is required to seal this workflow. Individual receipts remain available.","sealed":false},"type":"check","check":{"what":"Check numbers have citations","reason":"Additional checks require a pass after the first free loop.","result":"not_checked"},"label":"Check numbers have citations","receipt":"d9d776c8-714d-41b0-b5f4-972ccbb21c79"},{"ai":{"name":"Zambo rubric","used":false},"id":"n6","seal":{"reason":"An eligible pass is required to seal this workflow. Individual receipts remain available.","sealed":false},"type":"check","check":{"what":"Retries and optional second-AI review","reason":"Available with a pass after the first free loop.","result":"not_checked"},"label":"Additional review and retries skipped","receipt":"5c4b9d30-922c-4e64-b5db-45cff5d3b4d7"}],"access":{"mode":"check_only","payment":{"amount":"990000","pay_to":"0xb753…b9AC","network":"eip155:8453","x402_url":"https://zambo.dev/api/x402/day-pass","retry_same_call":true},"gate_line":"That worked. Keep going for 24 hours: $0.99, one time, no subscription. https://zambo.dev/day-pass/?ref=limit No human approval is required by Zambo; your wallet's spending policy applies."},"issues":[],"schema":"zambo.graph/1","retries":{"max":2,"used":0},"sources":{"resolved":0,"not_checked":0,"not_resolved":0},"summary":"Checked 0 things, fixed 0, all receipts attached.","template":"research-with-sources","planned_scope":{"note":"Next steps are planned work, not recorded executions. This loop checks only the supplied work.","total":3,"not_checked":3}},"progress":"Checked 0 things, fixed 0, all receipts attached.","graph_url":"https://zambo.dev/handover/0774ae65-9e5d-49d9-9fe3-64179b8a48af/graph.json","sources":{"resolved":0,"not_resolved":0,"not_checked":0},"warnings":[],"acceptance_url":"https://zambo.dev/handover/0774ae65-9e5d-49d9-9fe3-64179b8a48af/acceptance.json","release_hint":"hold","ais":["audit","No AI used"],"not_checked":["The supplied work was saved, not independently executed or checked."],"shield":"pass","visibility":"public","redactions":0,"owner_url":"https://zambo.dev/handover/0774ae65-9e5d-49d9-9fe3-64179b8a48af"}

This is the saved result preview, not proof that the answer was correct.

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Show technical provenance details

Provenance for every timeline entry

  • EXECUTED BY ZAMBOZambo ran the tool call itself.
  • OBSERVED VIA GATEWAYA Zambo gateway observed request and response bytes from the named external executor. Zambo did not run that external action.
  • LOGGED BY AGENTAn agent or local hook reported the action. Zambo attests that the record is unchanged since logging, not that the action happened as described.

Private agent reasoning, built-in client actions, and direct calls to unrelated MCP servers are not included unless an agent or gateway reports them.

What is this receipt?

This is a verifiable receipt for a journal entry. It confirms receipt, redaction, timestamping, and chaining. It does not attest to execution.

What the receipt can and cannot prove

What is this?

Zambo's receipt store reports a journal entry from an agent or local hook. The SHA-256 commitment covers the receipt bytes. The provenance label is only a claim, not proof of issuer identity or that the reported action happened.

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Show technical verification checks

Verification checks

  • SHA-256 commitment: Checked independently against the exact decoded bytes
  • Provenance binding: PASS; The metadata claim is consistent with the verified receipt bytes; issuer is not authenticated.
  • Metadata binding: PASS; metadata_hash matches the canonical metadata block.
  • Issuer authentication: NOT CHECKED; no pinned signing key or trusted issuer was supplied
  • Signature: NOT CHECKED; no Ed25519 signature or pinned key is supplied
  • Chain: NOT CHECKED; no append-only chain proof is validated
  • Stored timestamp: 2026-10-18T13:17:20.780Z; external immutability is not checked

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  • CursorPaste into ~/.cursor/mcp.json.
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Show receipt data and verification evidence

Committed provenance claim

LOGGED BY AGENT

The metadata claim is consistent with the verified receipt bytes; issuer is not authenticated.

Receipt ID
58bd7f91-7e83-5b85-ad04-a6fc32424cf0
SHA-256 output hash
sha256:f755d6854615820b370caeefa80bcbbde1068df97337f1b82b104ae61d921c27
Canonical bytes
{"caller":{"id":"sha256:9c20280e2f80458467cc6f5b70ee0e97ea128df38bbc7e7592f9f2be6fc44f4a","type":"session"},"issuer_claims":{"provenance_class":"LOGGED BY AGENT"},"output":{"output":"{\"handover_id\":\"0774ae65-9e5d-49d9-9fe3-64179b8a48af\",\"url\":\"https://zambo.dev/handover/0774ae65-9e5d-49d9-9fe3-64179b8a48af\",\"reused\":false,\"agent_id\":\"agent-ddfa398339f857b892c57b9a\",\"agent_url\":\"https://zambo.dev/agent/agent-ddfa398339f857b892c57b9a\",\"badge_url\":\"https://zambo.dev/badge/agent-ddfa398339f857b892c57b9a.svg\",\"share_text\":\"Here's the handover for Client 5ff35de2c: Final4 5ff35de2c summary. https://zambo.dev/handover/0774ae65-9e5d-49d9-9fe3-64179b8a48af Each listed step has a verifiable receipt you can check in your browser.\",\"workflow_receipt_url\":\"https://zambo.dev/run/a7a483bc-7261-46f4-ac57-23ebcddc575b\",\"verify_url\":\"https://zambo.dev/api/v2/receipt/a7a483bc-7261-46f4-ac57-23ebcddc575b/verify\",\"steps\":8,\"ai_use_statement\":\"AI use: audit helped with 3 of 8 steps. See the listed receipts.\",\"graph\":{\"aer\":\"draft-zambo-aer1-20\",\"edges\":[{\"to\":\"n2\",\"from\":\"n1\",\"kind\":\"next\"},{\"to\":\"n3\",\"from\":\"n2\",\"kind\":\"next\"},{\"to\":\"n4\",\"from\":\"n3\",\"kind\":\"next\"},{\"to\":\"n5\",\"from\":\"n4\",\"kind\":\"next\"},{\"to\":\"n6\",\"from\":\"n5\",\"kind\":\"next\"}],\"nodes\":[{\"ai\":{\"name\":\"Zambo rubric\",\"used\":false},\"id\":\"n1\",\"seal\":{\"reason\":\"An eligible pass is required to seal this workflow. Individual receipts remain available.\",\"sealed\":false},\"type\":\"plan\",\"label\":\"Plan bounded checks\",\"receipt\":\"ac33d5fc-65ee-4857-bf2c-ef2c6df67702\"},{\"ai\":{\"name\":\"audit\",\"used\":true},\"id\":\"n2\",\"seal\":{\"reason\":\"An eligible pass is required to seal this workflow. Individual receipts remain available.\",\"sealed\":false},\"type\":\"do\",\"label\":\"your work\",\"receipt\":\"8eb1a4f8-96ee-4ef4-b800-f16440f477ea\"},{\"ai\":{\"name\":\"Zambo rubric\",\"used\":false},\"id\":\"n3\",\"seal\":{\"reason\":\"An eligible pass is required to seal this workflow. Individual receipts remain available.\",\"sealed\":false},\"type\":\"check\",\"check\":{\"what\":\"Source URLs resolve; reachability only, not support for a claim\",\"reason\":\"No source URLs supplied.\",\"result\":\"not_checked\"},\"label\":\"Check source reachability\",\"receipt\":\"e79627b5-449a-42e0-8eca-4798878704d6\"},{\"ai\":{\"name\":\"Zambo rubric\",\"used\":false},\"id\":\"n4\",\"seal\":{\"reason\":\"An eligible pass is required to seal this workflow. Individual receipts remain available.\",\"sealed\":false},\"type\":\"check\",\"check\":{\"what\":\"Check citation markers\",\"reason\":\"Additional checks require a pass after the first free loop.\",\"result\":\"not_checked\"},\"label\":\"Check citation markers\",\"receipt\":\"8a5b031b-023e-4dd6-81d6-065ab1108ed4\"},{\"ai\":{\"name\":\"Zambo rubric\",\"used\":false},\"id\":\"n5\",\"seal\":{\"reason\":\"An eligible pass is required to seal this workflow. Individual receipts remain available.\",\"sealed\":false},\"type\":\"check\",\"check\":{\"what\":\"Check numbers have citations\",\"reason\":\"Additional checks require a pass after the first free loop.\",\"result\":\"not_checked\"},\"label\":\"Check numbers have citations\",\"receipt\":\"d9d776c8-714d-41b0-b5f4-972ccbb21c79\"},{\"ai\":{\"name\":\"Zambo rubric\",\"used\":false},\"id\":\"n6\",\"seal\":{\"reason\":\"An eligible pass is required to seal this workflow. Individual receipts remain available.\",\"sealed\":false},\"type\":\"check\",\"check\":{\"what\":\"Retries and optional second-AI review\",\"reason\":\"Available with a pass after the first free loop.\",\"result\":\"not_checked\"},\"label\":\"Additional review and retries skipped\",\"receipt\":\"5c4b9d30-922c-4e64-b5db-45cff5d3b4d7\"}],\"access\":{\"mode\":\"check_only\",\"payment\":{\"amount\":\"990000\",\"pay_to\":\"0xb753be5Eac5B29c711051DfF91279834e9C9b9AC\",\"network\":\"eip155:8453\",\"x402_url\":\"https://zambo.dev/api/x402/day-pass\",\"retry_same_call\":true},\"gate_line\":\"That worked. Keep going for 24 hours: $0.99, one time, no subscription. https://zambo.dev/day-pass/?ref=limit No human approval is required by Zambo; your wallet's spending policy applies.\"},\"issues\":[],\"schema\":\"zambo.graph/1\",\"retries\":{\"max\":2,\"used\":0},\"sources\":{\"resolved\":0,\"not_checked\":0,\"not_resolved\":0},\"summary\":\"Checked 0 things, fixed 0, all receipts attached.\",\"template\":\"research-with-sources\",\"planned_scope\":{\"note\":\"Next steps are planned work, not recorded executions. This loop checks only the supplied work.\",\"total\":3,\"not_checked\":3}},\"progress\":\"Checked 0 things, fixed 0, all receipts attached.\",\"graph_url\":\"https://zambo.dev/handover/0774ae65-9e5d-49d9-9fe3-64179b8a48af/graph.json\",\"sources\":{\"resolved\":0,\"not_resolved\":0,\"not_checked\":0},\"warnings\":[],\"acceptance_url\":\"https://zambo.dev/handover/0774ae65-9e5d-49d9-9fe3-64179b8a48af/acceptance.json\",\"release_hint\":\"hold\",\"ais\":[\"audit\",\"No AI used\"],\"not_checked\":[\"The supplied work was saved, not independently executed or checked.\"],\"shield\":\"pass\",\"visibility\":\"public\",\"redactions\":0,\"owner_url\":\"https://zambo.dev/handover/0774ae65-9e5d-49d9-9fe3-64179b8a48af\"}","publication_notice":"This is a newly committed redacted publication copy, not the original tool output. The original commitment is unchanged and its private bytes are withheld.","redacted_projection":true,"schema":"zambo.redacted-receipt-publication/1","source_output_hash":"sha256:146e5a78618af01f77bdfdbd60d229de9ba30bae2de73e6d73ea332af4f02169","source_receipt_id":"6a6cfcdc-151f-4e3b-b445-3119930c7223","source_tool":"handover"},"receipt_schema_version":"0.4","side_effects":{"declaration_hash":"sha256:45aad38f3aa982b9aafe92ecb416ebe98791eddbaf8ab6df0bd08605b7c1bfee","declared":["none"],"schema_version":"zambo-side-effects/1"},"tool":{"name":"receipt_publication","scope":"public","version":"4.0.0"}}
Timestamp

Bound call context

Receipt schema
0.4
Tool name
receipt_publication
Tool version
4.0.0
Permission scope
public
Caller type
session
Caller ID
sha256:9c20280e2f80458467cc6f5b70ee0e97ea128df38bbc7e7592f9f2be6fc44f4a
Declared side effects
none
Side-effects schema
zambo-side-effects/1
Declaration hash
sha256:45aad38f3aa982b9aafe92ecb416ebe98791eddbaf8ab6df0bd08605b7c1bfee

This records what the server-side tool contract declared at call time. It does not independently verify that a downstream side effect happened.

Bound upstream evidence

Status
no_upstream_bytes_captured
Evidence SHA-256
unavailable
Byte length
unavailable

Neutral Nostr anchor

Event ID
25d07eaf74074b818f3d39e9d4c686a71f13218a84fa740f9e5dce5b87da7215
Anchor status
partial
Public key
e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41

Relay hints: wss://relay.damus.io · wss://nos.lol · wss://relay.primal.net

Schema: zambo-receipt-anchor/1

Anchor envelope bytes:

{"anchored_at":"2026-10-18T13:17:20.780Z","evidence_byte_length":null,"evidence_sha256":null,"evidence_url":null,"output_sha256":"sha256:f755d6854615820b370caeefa80bcbbde1068df97337f1b82b104ae61d921c27","receipt_uuid":"58bd7f91-7e83-5b85-ad04-a6fc32424cf0","schema_version":"zambo-receipt-anchor/1"}

Anchor status "partial": Published to some configured relay targets; publication was not confirmed by every configured relay.

Check this hash yourself

Receipt commitment: commitment matched; issuer, signature and chain not checked. This checks the saved bytes, not whether the answer was correct. Recompute the SHA-256 commitment in your browser. Open the API v2 JSON response to inspect the machine-readable checks. See the Nostr anchor event on a public viewer. The fingerprint is timestamped outside Zambo too.

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