Verifiable receipt f0aba02d - receipt_publication result | Zambo

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

Saved: 2026-10-20T11:33:53.887Z
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":"782

Observed result

schema: zambo.redacted-receipt-publication/1 redacted projection: true source receipt id: 7826fbcd-51c6-42d0-887a-9c0e3b8838d0 source output hash: sha256:6e16304a8c9df6b2e5232ad4e2175c80fa348a34e24d962c8458dfaac4843d05 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":"849e9aa1-7e85-491b-9b49-953dbe6caa41","url":"https://zambo.dev/handover/849e9aa1-7e85-491b-9b49-953dbe6caa41","reused":false,"agent_id":"agent-688dcb4a83f84370f93b77c0","agent_url":"https://zambo.dev/agent/agent-688dcb4a83f84370f93b77c0","badge_url":"https://zambo.dev/badge/agent-688dcb4a83f84370f93b77c0.svg","share_text":"Here's the handover for Test Client: finished. https://zambo.dev/handover/849e9aa1-7e85-491b-9b49-953dbe6caa41 Each listed step has a verifiable receipt you can check in your browser.","workflow_receipt_url":"https://zambo.dev/run/a6c53ae6-fd17-4a90-8561-59995c0c302d","verify_url":"https://zambo.dev/api/v2/receipt/a6c53ae6-fd17-4a90-8561-59995c0c302d/verify","steps":10,"ai_use_statement":"AI use: chatgpt helped with 2 of 10 steps. Unspecified AI helped with 3 of 10 steps. See the listed receipts.","graph":{"aer":"draft-zambo-aer1-21","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"},{"to":"n7","from":"n6","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":"c6a0c299-9bd5-45e8-beb8-b3a0867e6dc5"},{"ai":{"name":"chatgpt","used":true},"id":"n2","seal":{"reason":"An eligible pass is required to seal this workflow. Individual receipts remain available.","sealed":false},"type":"do","label":"handover_accept","receipt":"8cf2b83b-14d7-41b7-936f-cf05bd77bef1"},{"ai":{"name":"Unspecified AI","used":true},"id":"n3","seal":{"reason":"An eligible pass is required to seal this workflow. Individual receipts remain available.","sealed":false},"type":"do","label":"capability_search","receipt":"a65fd865-8b81-4af3-8c8f-24911f5e6a8b"},{"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":"Source URLs resolve; reachability only, not support for a claim","reason":"No source URLs supplied.","result":"not_checked"},"label":"Check source reachability","receipt":"6bb863a4-e6fd-4a8a-928b-72334d82a7bd"},{"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 citation markers","reason":"Additional checks require a pass after the first free loop.","result":"not_checked"},"label":"Check citation markers","receipt":"6939a4e0-0273-43e6-96f1-36e5d9bd0639"},{"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":"Check numbers have citations","reason":"Additional checks require a pass after the first free loop.","result":"not_checked"},"label":"Check numbers have citations","receipt":"a435de37-ff43-4cb7-a3ee-e1b0214198cf"},{"ai":{"name":"Zambo rubric","used":false},"id":"n7","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":"b7001b6e-54a6-4222-8993-d834fb421b1a"}],"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"},"progress":"Checked 0 things, fixed 0, all receipts attached.","graph_url":"https://zambo.dev/handover/849e9aa1-7e85-491b-9b49-953dbe6caa41/graph.json","sources":{"resolved":0,"not_resolved":0,"not_checked":0},"warnings":[],"acceptance_url":"https://zambo.dev/handover/849e9aa1-7e85-491b-9b49-953dbe6caa41/acceptance.json","release_hint":"hold","ais":["chatgpt","Unspecified AI","No AI used"],"not_checked":[],"shield":"pass","visibility":"public","redactions":0,"owner_url":"https://zambo.dev/handover/849e9aa1-7e85-491b-9b49-953dbe6caa41"}

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

Check this receipt Run your own

Check this receipt

This page shows the result and when it was saved. Use the receipt checker to see whether the saved result has changed.

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.

Keep the work moving

This receipt records a completed tool call. When the free allowance is not enough, choose the access path that fits the job.

UNLOCK 24H DAY PASS ($0.99) →

See all plans on the pricing page →

RUN YOUR OWN FREE CALL →

Or re-run this exact call, using the same tool and arguments.

Share on X ·

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: 2026-10-20T11:33:53.887Z; external immutability is not checked

Get proof like this from your own AI

Add to my AI ·

Get receipts for your own AI work: add zambo.dev/mcp

One URL, no key. Copy the line for your AI and add it yourself in its settings.

ClaudeSettings, Connectors, Add custom connector, paste the URL.
https://zambo.dev/mcp
ChatGPTSettings, Apps and Connectors, developer mode, create a connector with this URL.
https://zambo.dev/mcp
GrokAdd a remote MCP server in your Grok client and paste the URL.
https://zambo.dev/mcp
CursorPaste into ~/.cursor/mcp.json.
{"mcpServers":{"zambo":{"url":"https://zambo.dev/mcp"}}}

Nothing is installed automatically. Full setup guides

Want a verifiable receipt for every job your bots do?

Add Zambo Receipt Bot to your team · File this in Receipt Bot

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: f0aba02d-1f42-544c-af7c-fcb19029247f
SHA-256 output hash: sha256:b9a3186c12e714782c028257e5a89fb32cd97cd1da398a318184cc015f000367
Canonical bytes: {"caller":{"id":"sha256:b7ae4a29943d676b39cacb42dd58ee4eecd5089a043a9f2be7380ac561a19b56","type":"session"},"issuer_claims":{"provenance_class":"LOGGED BY AGENT"},"output":{"output":"{\"handover_id\":\"849e9aa1-7e85-491b-9b49-953dbe6caa41\",\"url\":\"https://zambo.dev/handover/849e9aa1-7e85-491b-9b49-953dbe6caa41\",\"reused\":false,\"agent_id\":\"agent-688dcb4a83f84370f93b77c0\",\"agent_url\":\"https://zambo.dev/agent/agent-688dcb4a83f84370f93b77c0\",\"badge_url\":\"https://zambo.dev/badge/agent-688dcb4a83f84370f93b77c0.svg\",\"share_text\":\"Here's the handover for Test Client: finished. https://zambo.dev/handover/849e9aa1-7e85-491b-9b49-953dbe6caa41 Each listed step has a verifiable receipt you can check in your browser.\",\"workflow_receipt_url\":\"https://zambo.dev/run/a6c53ae6-fd17-4a90-8561-59995c0c302d\",\"verify_url\":\"https://zambo.dev/api/v2/receipt/a6c53ae6-fd17-4a90-8561-59995c0c302d/verify\",\"steps\":10,\"ai_use_statement\":\"AI use: chatgpt helped with 2 of 10 steps. Unspecified AI helped with 3 of 10 steps. See the listed receipts.\",\"graph\":{\"aer\":\"draft-zambo-aer1-21\",\"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\"},{\"to\":\"n7\",\"from\":\"n6\",\"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\":\"c6a0c299-9bd5-45e8-beb8-b3a0867e6dc5\"},{\"ai\":{\"name\":\"chatgpt\",\"used\":true},\"id\":\"n2\",\"seal\":{\"reason\":\"An eligible pass is required to seal this workflow. Individual receipts remain available.\",\"sealed\":false},\"type\":\"do\",\"label\":\"handover_accept\",\"receipt\":\"8cf2b83b-14d7-41b7-936f-cf05bd77bef1\"},{\"ai\":{\"name\":\"Unspecified AI\",\"used\":true},\"id\":\"n3\",\"seal\":{\"reason\":\"An eligible pass is required to seal this workflow. Individual receipts remain available.\",\"sealed\":false},\"type\":\"do\",\"label\":\"capability_search\",\"receipt\":\"a65fd865-8b81-4af3-8c8f-24911f5e6a8b\"},{\"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\":\"Source URLs resolve; reachability only, not support for a claim\",\"reason\":\"No source URLs supplied.\",\"result\":\"not_checked\"},\"label\":\"Check source reachability\",\"receipt\":\"6bb863a4-e6fd-4a8a-928b-72334d82a7bd\"},{\"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 citation markers\",\"reason\":\"Additional checks require a pass after the first free loop.\",\"result\":\"not_checked\"},\"label\":\"Check citation markers\",\"receipt\":\"6939a4e0-0273-43e6-96f1-36e5d9bd0639\"},{\"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\":\"Check numbers have citations\",\"reason\":\"Additional checks require a pass after the first free loop.\",\"result\":\"not_checked\"},\"label\":\"Check numbers have citations\",\"receipt\":\"a435de37-ff43-4cb7-a3ee-e1b0214198cf\"},{\"ai\":{\"name\":\"Zambo rubric\",\"used\":false},\"id\":\"n7\",\"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\":\"b7001b6e-54a6-4222-8993-d834fb421b1a\"}],\"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\"},\"progress\":\"Checked 0 things, fixed 0, all receipts attached.\",\"graph_url\":\"https://zambo.dev/handover/849e9aa1-7e85-491b-9b49-953dbe6caa41/graph.json\",\"sources\":{\"resolved\":0,\"not_resolved\":0,\"not_checked\":0},\"warnings\":[],\"acceptance_url\":\"https://zambo.dev/handover/849e9aa1-7e85-491b-9b49-953dbe6caa41/acceptance.json\",\"release_hint\":\"hold\",\"ais\":[\"chatgpt\",\"Unspecified AI\",\"No AI used\"],\"not_checked\":[],\"shield\":\"pass\",\"visibility\":\"public\",\"redactions\":0,\"owner_url\":\"https://zambo.dev/handover/849e9aa1-7e85-491b-9b49-953dbe6caa41\"}","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":"sha256:6e16304a8c9df6b2e5232ad4e2175c80fa348a34e24d962c8458dfaac4843d05","source_receipt_id":"7826fbcd-51c6-42d0-887a-9c0e3b8838d0","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: 2026-10-20T11:33:53.887Z

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:b7ae4a29943d676b39cacb42dd58ee4eecd5089a043a9f2be7380ac561a19b56
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: c5960f323223112f90acc703abd685c5842727709096e7fa312045277497af99
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":"2026-10-20T11:33:53.887Z","evidence_byte_length":null,"evidence_sha256":null,"evidence_url":null,"output_sha256":"sha256:b9a3186c12e714782c028257e5a89fb32cd97cd1da398a318184cc015f000367","receipt_uuid":"f0aba02d-1f42-544c-af7c-fcb19029247f","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.

Embed this receipt

Markdown

[![Verifiable Zambo receipt](https://zambo.dev/api/receipt/f0aba02d-1f42-544c-af7c-fcb19029247f/badge.svg)](https://zambo.dev/run/f0aba02d-1f42-544c-af7c-fcb19029247f?ref=badge)

HTML

<a href="https://zambo.dev/run/f0aba02d-1f42-544c-af7c-fcb19029247f?ref=badge"><img src="https://zambo.dev/api/receipt/f0aba02d-1f42-544c-af7c-fcb19029247f/badge.svg" alt="Verifiable Zambo receipt"></a>

Open badge SVG

Recent receipts

54,208 verifiable receipts minted