Verifiable receipt eb05f44f - zambo_universal result | Zambo

Verifiable receipt for a zambo_universal call on Zambo: {"status":"executed","primary_tool":"live_price","executed":true,"executed_tools":["live_price"],"result

Observed result

{"status":"executed","primary_tool":"live_price","executed":true,"executed_tools":["live_price"],"result":"ETH · $2,492.77 USD\n▼ 0.14% (24h) · Market cap: $304.49B\n\nLive price via Coinbase · Sat, 10 Oct 2026 11:35:32 GMT","verify":{"status":"complete","message":"ETH-USD price and source were returned by the live price provider."}}

Check this receipt

This record shows the result and timestamp stored for the call. Recompute the SHA-256 commitment from the saved bytes in your browser; signatures and chain proofs are not checked.

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?

Zambo's receipt store reports a tool call and records its result. The SHA-256 commitment covers the exact canonical bytes. The provenance label is bound to v0.4 receipt bytes when that check passes, but no pinned signature or trusted issuer key is checked. An anchor can timestamp a fingerprint; it does not authenticate the issuer.

What is an execution receipt?

An execution receipt is a public record of a reported AI agent tool call. Its byte commitment and provenance claim can be checked independently; neither alone authenticates the issuer. Read the canonical definition of an AI agent execution receipt.

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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.
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: 2026-10-10T11:35:32.578Z; external immutability is not checked

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Committed provenance claim

EXECUTED BY ZAMBO

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

Receipt ID: eb05f44f-5ec5-40f4-825f-c147242c439f
SHA-256 output hash: sha256:4bafaf6c04826742407dc0ba5251fe28c94f496d3c21d6bdbf6a1fef4c23a90e
Canonical bytes: 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
Timestamp: 2026-10-10T11:35:32.578Z

Bound call context

Receipt schema: 0.4
Tool name: zambo_universal
Tool version: 4.0.0
Permission scope: public
Caller type: anonymous
Caller ID: sha256:169318995634be0c91509ad0ce035e361ee74043ae6465f294780a7cc0467adb
Caller basis: ip_ua_30d
Caller rotates at: 2026-11-03T00:00:00.000Z
Caller-reported label: sweep-1010 (caller_reported, not authenticated team ownership)
Declared side effects: state_write
Side-effects schema: zambo-side-effects/1
Declaration hash: sha256:dfb4412aa429d3ac637a05668c435bcc90a251363fcdd49f7b85ae4ab55b5bc9

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: captured
Evidence SHA-256: sha256:6529e19eb4c125e9bf94e997ea53c292ea8f4d6d0a8f8c25fb400947c088da2e
Byte length: 187

Fetch exact evidence bytes

Upstream provenance

This receipt is independently auditable against the named upstream source. This is not a mathematical correctness claim.

Source: CoinGecko · queried at: 2026-10-10T11:35:32.501Z · raw response hash: sha256:6529e19eb4c125e9bf94e997ea53c292ea8f4d6d0a8f8c25fb400947c088da2e
Source: Coinbase · queried at: 2026-10-10T11:35:32.525Z · raw response hash: sha256:b789090c9bfb50fb607107b15071dfd1cf7ab847667763e5ed7559d10b3c75f6

Maximum comparable-source deviation: not comparable

Neutral Nostr anchor

Event ID: 0c97465abf52376ef1391159d4879341bc293bc972cc306b7291411256b23362
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":"2026-10-10T11:35:32.578Z","evidence_byte_length":187,"evidence_sha256":"sha256:6529e19eb4c125e9bf94e997ea53c292ea8f4d6d0a8f8c25fb400947c088da2e","evidence_url":"https://zambo.dev/api/evidence/6529e19eb4c125e9bf94e997ea53c292ea8f4d6d0a8f8c25fb400947c088da2e","output_sha256":"sha256:4bafaf6c04826742407dc0ba5251fe28c94f496d3c21d6bdbf6a1fef4c23a90e","receipt_uuid":"eb05f44f-5ec5-40f4-825f-c147242c439f","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

Recompute the SHA-256 commitment in your browser. Open the API v2 JSON response to inspect the machine-readable checks. Signature and chain remain NOT CHECKED unless a real signature verifier or chain proof is supplied. There is no combined “verified” verdict. See the Nostr anchor event on a public viewer. The fingerprint is timestamped outside Zambo too.

Embed this receipt

Markdown

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HTML

<a href="https://zambo.dev/run/eb05f44f-5ec5-40f4-825f-c147242c439f"><img src="https://zambo.dev/api/receipt/eb05f44f-5ec5-40f4-825f-c147242c439f/badge.svg" alt="Verifiable Zambo receipt"></a>

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