Verifiable receipt cc047cb5 - live_price result | Zambo

Verifiable receipt for a live_price call on Zambo: ETH · $2,498.19 USD ▼ 2.24% (24h) · Market cap: $305.09B Live price via CoinGecko · Fri, 09 Oct 2026 06:36:20

Observed result

ETH · $2,498.19 USD
▼ 2.24% (24h) · Market cap: $305.09B

Live price via CoinGecko · Fri, 09 Oct 2026 06:36:20 GMT

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

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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: 2026-10-09T06:36:20.405Z; external immutability is not checked

Committed provenance claim

EXECUTED BY ZAMBO

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

Receipt ID: cc047cb5-2837-4f33-a3f7-2916de57d179
SHA-256 output hash: sha256:1dee0b9246d71ebb95872fb5b1028a72d6fdddb3e87a34b3f7eac775aba9bf15
Canonical bytes: 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
Timestamp: 2026-10-09T06:36:20.405Z

Bound call context

Receipt schema: 0.4
Tool name: live_price
Tool version: 4.0.0
Permission scope: public
Caller type: anonymous
Caller ID: sha256:0cfb20c1fb7c60c8ebe82892babe61c8b5e88e6bc7dd0dcae085591c22be0429
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: captured
Evidence SHA-256: sha256:9d966940af77abf92b3785f9bb81d817f1b4a5c88064c5e042a85cfae638cc72
Byte length: 100

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: 2026-10-09T06:36:20.355Z · raw response hash: sha256:9d966940af77abf92b3785f9bb81d817f1b4a5c88064c5e042a85cfae638cc72

Neutral Nostr anchor

Event ID: b0a8a09aef3f58aa8926261e0931f0ebdc180b40c4247517a068133f3567083a
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":"2026-10-09T06:36:20.372Z","evidence_byte_length":100,"evidence_sha256":"sha256:9d966940af77abf92b3785f9bb81d817f1b4a5c88064c5e042a85cfae638cc72","evidence_url":"https://zambo.dev/api/evidence/9d966940af77abf92b3785f9bb81d817f1b4a5c88064c5e042a85cfae638cc72","output_sha256":"sha256:1dee0b9246d71ebb95872fb5b1028a72d6fdddb3e87a34b3f7eac775aba9bf15","receipt_uuid":"cc047cb5-2837-4f33-a3f7-2916de57d179","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/cc047cb5-2837-4f33-a3f7-2916de57d179"><img src="https://zambo.dev/api/receipt/cc047cb5-2837-4f33-a3f7-2916de57d179/badge.svg" alt="Verifiable Zambo receipt"></a>

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