Verifiable receipt f1beabef - receipt_publication result | Zambo

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Saved:
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":"9a9

Observed result

schema: zambo.redacted-receipt-publication/1 redacted projection: true source receipt id: 9a968b10-c9bb-4299-b6ed-d2880a83b20b source output hash: sha256:[REDACTED_IDENTIFIER] 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":"f55b93fe-2095-4be1-99d3-974bc14fe55d","url":"https://zambo.dev/handover/f55b93fe-2095-4be1-99d3-974bc14fe55d","reused":false,"agent_id":"agent-2b9f73bd3393e8bc6cc523a9","agent_url":"https://zambo.dev/agent/agent-2b9f73bd3393e8bc6cc523a9","badge_url":"https://zambo.dev/badge/agent-2b9f73bd3393e8bc6cc523a9.svg","share_text":"Here's the handover for Agent 0d05b0eb: Settle 0d05b0eb. https://zambo.dev/handover/f55b93fe-2095-4be1-99d3-974bc14fe55d Each listed step has a verifiable receipt you can check in your browser.","workflow_receipt_url":"https://zambo.dev/run/3e60379f-698b-4e45-9106-02464dca7aeb","verify_url":"https://zambo.dev/api/v2/receipt/3e60379f-698b-4e45-9106-02464dca7aeb/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":"50044da2-5742-4fd3-b601-3e1b8f525b3c"},{"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":"e8599124-93bc-4a1d-901a-3b46d97be0bf"},{"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":"cbe4463f-8445-4464-934a-1f19ff5f9739"},{"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":"107e1e95-71e8-427c-9dd7-0846aa022455"},{"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":"82ec4518-8ae0-4b2a-8e1b-c61b60052cb2"},{"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":"ba7d0fff-24b0-4725-8336-49df7c3602f7"}],"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/f55b93fe-2095-4be1-99d3-974bc14fe55d/graph.json","sources":{"resolved":0,"not_resolved":0,"not_checked":0},"warnings":[],"acceptance_url":"https://zambo.dev/handover/f55b93fe-2095-4be1-99d3-974bc14fe55d/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/f55b93fe-2095-4be1-99d3-974bc14fe55d"}

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: 2026-10-19T05:29:28.590Z; external immutability is not checked

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  • ClaudeSettings, Connectors, Add custom connector, paste the URL.
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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
f1beabef-760f-588b-a8c9-d345b37a8a58
SHA-256 output hash
sha256:5102ed8d49418291e71108aaf12a95c7fca8e2026802227a5f8cc3b840e43484
Canonical bytes
{"caller":{"id":"sha256:d38d53a2168fb842b4b3acee45866a9c6d3e4d003181d2fc7766d5920c0a8fee","type":"session"},"issuer_claims":{"provenance_class":"LOGGED BY AGENT"},"output":{"output":"{\"handover_id\":\"f55b93fe-2095-4be1-99d3-974bc14fe55d\",\"url\":\"https://zambo.dev/handover/f55b93fe-2095-4be1-99d3-974bc14fe55d\",\"reused\":false,\"agent_id\":\"agent-2b9f73bd3393e8bc6cc523a9\",\"agent_url\":\"https://zambo.dev/agent/agent-2b9f73bd3393e8bc6cc523a9\",\"badge_url\":\"https://zambo.dev/badge/agent-2b9f73bd3393e8bc6cc523a9.svg\",\"share_text\":\"Here's the handover for Agent 0d05b0eb: Settle 0d05b0eb. https://zambo.dev/handover/f55b93fe-2095-4be1-99d3-974bc14fe55d Each listed step has a verifiable receipt you can check in your browser.\",\"workflow_receipt_url\":\"https://zambo.dev/run/3e60379f-698b-4e45-9106-02464dca7aeb\",\"verify_url\":\"https://zambo.dev/api/v2/receipt/3e60379f-698b-4e45-9106-02464dca7aeb/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\":\"50044da2-5742-4fd3-b601-3e1b8f525b3c\"},{\"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\":\"e8599124-93bc-4a1d-901a-3b46d97be0bf\"},{\"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\":\"cbe4463f-8445-4464-934a-1f19ff5f9739\"},{\"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\":\"107e1e95-71e8-427c-9dd7-0846aa022455\"},{\"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\":\"82ec4518-8ae0-4b2a-8e1b-c61b60052cb2\"},{\"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\":\"ba7d0fff-24b0-4725-8336-49df7c3602f7\"}],\"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/f55b93fe-2095-4be1-99d3-974bc14fe55d/graph.json\",\"sources\":{\"resolved\":0,\"not_resolved\":0,\"not_checked\":0},\"warnings\":[],\"acceptance_url\":\"https://zambo.dev/handover/f55b93fe-2095-4be1-99d3-974bc14fe55d/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/f55b93fe-2095-4be1-99d3-974bc14fe55d\"}","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:ee8d6db59c1c662832d4add8de756b3cba78d9e986458ded429bcf81649733f2","source_receipt_id":"9a968b10-c9bb-4299-b6ed-d2880a83b20b","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:d38d53a2168fb842b4b3acee45866a9c6d3e4d003181d2fc7766d5920c0a8fee
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
b5646fe1c81de34bed416cfc4c4533bde403323d3a7c85166c234c0cecc0d780
Anchor status
published
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":"2026-10-19T05:29:28.590Z","evidence_byte_length":null,"evidence_sha256":null,"evidence_url":null,"output_sha256":"sha256:5102ed8d49418291e71108aaf12a95c7fca8e2026802227a5f8cc3b840e43484","receipt_uuid":"f1beabef-760f-588b-a8c9-d345b37a8a58","schema_version":"zambo-receipt-anchor/1"}

Anchor status "published": Published to all configured relay targets.

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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