Receipt publication · saved and checkable

✓ This result hasn’t changed since it was saved.

Sent using Zambo

Saved:
What was asked: The request recorded for this receipt.

Zambo is the verifiable work layer for AI.

Observed result

schema: zambo.redacted-receipt-publication/1 redacted projection: true source receipt id: 289cbb89-8718-45fe-ae6e-1bce95a8b006 source output hash: sha256:7503567ccc4427a1e7be01356d9cb97287ee8dc55101af19e35af0555a10f217 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":"833977a1-646d-4313-9fff-0e8e025d6592","url":"https://zambo.dev/handover/833977a1-646d-4313-9fff-0e8e025d6592","reused":false,"agent_id":"agent-757ba29e0d1bc172cdb32644","agent_url":"https://zambo.dev/agent/agent-757ba29e0d1bc172cdb32644","badge_url":"https://zambo.dev/badge/agent-757ba29e0d1bc172cdb32644.svg","share_text":"Here's the handover for Research lead e0f5be0f: HTTP/3 adoption summary (e0f5be0f). Sources: https://www.rfc-editor.org/rfc/rfc9114 and https://en.wikipedia.org/wiki/HTTP/3 and https://zambo-dead-e0f5be0f.example.invalid/paper.p. https://zambo.dev/handover/833977a1-646d-4313-9fff-0e8e025d6592 Each listed step has a verifiable receipt you can check in your browser.","workflow_receipt_url":"https://zambo.dev/run/d52cbf75-5a82-4af8-9dd1-0340a4273c28","verify_url":"https://zambo.dev/api/v2/receipt/d52cbf75-5a82-4af8-9dd1-0340a4273c28/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":"76b59661-ac4b-4552-9084-d0efc02bb781"},{"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":"e47e043f-2144-48ec-999e-98365ec3c984"},{"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":"A source did not resolve; the sender must replace it.","result":"failed_unfixed"},"label":"Check source reachability","receipt":"a45ffa5e-c7cf-4036-ae9c-94131159ced8"},{"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":"f2a3d725-515c-4e79-970f-d4bcb1fad17f"},{"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":"ec01ab7c-3e2b-4b92-820e-fd6fe731a00b"},{"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":"a05db750-d5ac-4086-936e-46b65f3f44bc"}],"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":["Could not fix: Source URLs resolve; reachability only, not support for a claim - A source did not resolve; the sender must replace it."],"schema":"zambo.graph/1","retries":{"max":2,"used":0},"sources":{"resolved":1,"not_checked":0,"not_resolved":2},"summary":"Checked 1 thing, fixed 0, 1 could not be fixed (marked), 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 1 thing, fixed 0, 1 could not be fixed (marked), all receipts attached.","graph_url":"https://zambo.dev/handover/833977a1-646d-4313-9fff-0e8e025d6592/graph.json","sources":{"resolved":0,"not_resolved":0,"not_checked":0},"warnings":[],"acceptance_url":"https://zambo.dev/handover/833977a1-646d-4313-9fff-0e8e025d6592/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/833977a1-646d-4313-9fff-0e8e025d6592"}

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: 2026-10-22T04:23:34.202Z; external immutability is not checked

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  • ClaudeSettings, Connectors, Add custom connector, paste the URL.
    https://zambo.dev/mcp
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    https://zambo.dev/mcp
  • GrokAdd a remote MCP server in your Grok client and 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
d49e9020-200f-5db6-a4fd-7e7dfc35a489
SHA-256 output hash
sha256:dce46d6785a413d18d855b204bc8d34dce4a2126157c388887a315937e195488
Canonical bytes
{"caller":{"id":"sha256:0b0b8a02615881e36030ea9f34c0570bb73b099ba99700d4b3971b76d3ca8e6c","type":"session"},"issuer_claims":{"provenance_class":"LOGGED BY AGENT"},"output":{"output":"{\"handover_id\":\"833977a1-646d-4313-9fff-0e8e025d6592\",\"url\":\"https://zambo.dev/handover/833977a1-646d-4313-9fff-0e8e025d6592\",\"reused\":false,\"agent_id\":\"agent-757ba29e0d1bc172cdb32644\",\"agent_url\":\"https://zambo.dev/agent/agent-757ba29e0d1bc172cdb32644\",\"badge_url\":\"https://zambo.dev/badge/agent-757ba29e0d1bc172cdb32644.svg\",\"share_text\":\"Here's the handover for Research lead e0f5be0f: HTTP/3 adoption summary (e0f5be0f). Sources: https://www.rfc-editor.org/rfc/rfc9114 and https://en.wikipedia.org/wiki/HTTP/3 and https://zambo-dead-e0f5be0f.example.invalid/paper.p. https://zambo.dev/handover/833977a1-646d-4313-9fff-0e8e025d6592 Each listed step has a verifiable receipt you can check in your browser.\",\"workflow_receipt_url\":\"https://zambo.dev/run/d52cbf75-5a82-4af8-9dd1-0340a4273c28\",\"verify_url\":\"https://zambo.dev/api/v2/receipt/d52cbf75-5a82-4af8-9dd1-0340a4273c28/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\":\"76b59661-ac4b-4552-9084-d0efc02bb781\"},{\"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\":\"e47e043f-2144-48ec-999e-98365ec3c984\"},{\"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\":\"A source did not resolve; the sender must replace it.\",\"result\":\"failed_unfixed\"},\"label\":\"Check source reachability\",\"receipt\":\"a45ffa5e-c7cf-4036-ae9c-94131159ced8\"},{\"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\":\"f2a3d725-515c-4e79-970f-d4bcb1fad17f\"},{\"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\":\"ec01ab7c-3e2b-4b92-820e-fd6fe731a00b\"},{\"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\":\"a05db750-d5ac-4086-936e-46b65f3f44bc\"}],\"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\":[\"Could not fix: Source URLs resolve; reachability only, not support for a claim - A source did not resolve; the sender must replace it.\"],\"schema\":\"zambo.graph/1\",\"retries\":{\"max\":2,\"used\":0},\"sources\":{\"resolved\":1,\"not_checked\":0,\"not_resolved\":2},\"summary\":\"Checked 1 thing, fixed 0, 1 could not be fixed (marked), 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 1 thing, fixed 0, 1 could not be fixed (marked), all receipts attached.\",\"graph_url\":\"https://zambo.dev/handover/833977a1-646d-4313-9fff-0e8e025d6592/graph.json\",\"sources\":{\"resolved\":0,\"not_resolved\":0,\"not_checked\":0},\"warnings\":[],\"acceptance_url\":\"https://zambo.dev/handover/833977a1-646d-4313-9fff-0e8e025d6592/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/833977a1-646d-4313-9fff-0e8e025d6592\"}","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":"sha256:7503567ccc4427a1e7be01356d9cb97287ee8dc55101af19e35af0555a10f217","source_receipt_id":"289cbb89-8718-45fe-ae6e-1bce95a8b006","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
sha256:0b0b8a02615881e36030ea9f34c0570bb73b099ba99700d4b3971b76d3ca8e6c
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
1aafc74e81c6dccb02cba1664ab539f0e5dc815de1afbfec15eccf0431bd93dc
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":"2026-10-22T04:23:34.202Z","evidence_byte_length":null,"evidence_sha256":null,"evidence_url":null,"output_sha256":"sha256:dce46d6785a413d18d855b204bc8d34dce4a2126157c388887a315937e195488","receipt_uuid":"d49e9020-200f-5db6-a4fd-7e7dfc35a489","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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Markdown

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HTML

<a href="https://zambo.dev/run/d49e9020-200f-5db6-a4fd-7e7dfc35a489?ref=badge"><img src="https://zambo.dev/api/receipt/d49e9020-200f-5db6-a4fd-7e7dfc35a489/badge.svg" alt="Verifiable Zambo receipt"></a>

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