Verifiable receipt 0a702b1d - live_price result | Zambo

Verifiable receipt for a live_price call on Zambo: BTC · $83,298.00 USD ▼ 2.66% (24h) · Market cap: $1673.87B Live price via CoinGecko · Wed, 07 Oct 2026 21:32:

Observed result

BTC · $83,298.00 USD
▼ 2.66% (24h) · Market cap: $1673.87B

Live price via CoinGecko · Wed, 07 Oct 2026 21:32:46 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; provenance_class is bound to these 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: 2026-10-07T21:32:46.699Z; external immutability is not checked

Committed provenance claim

EXECUTED BY ZAMBO

provenance_class is bound to these bytes; issuer is not authenticated.

Receipt ID: 0a702b1d-39e9-42cd-bbf9-9c5aa270c211
SHA-256 output hash: sha256:94517eded0ac1b8ff2361041b087b3e75755cbcd659c630cf3f7711a317936f6
Canonical bytes: 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
Timestamp: 2026-10-07T21:32:46.699Z

Bound call context

Receipt schema: 0.4
Tool name: live_price
Tool version: 4.0.0
Permission scope: public
Caller type: anonymous
Caller ID: sha256:4ed435a4920392ba2e90b0f49338d1d5ab367f67e026cbed847db13917ed5df0
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: sha256:43b3644c083aa2b701d28d7e1fe95d0f92c3f1dcd90edf5fa0565a1c75cec0ac
Byte length: 98

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: 2026-10-07T21:32:46.605Z · raw response hash: sha256:43b3644c083aa2b701d28d7e1fe95d0f92c3f1dcd90edf5fa0565a1c75cec0ac

Neutral Nostr anchor

Event ID: 39799223202084e603db089b71cec1f58e43c1b2d41c52fb873b5c1d78824701
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":"2026-10-07T21:32:46.628Z","evidence_byte_length":98,"evidence_sha256":"sha256:43b3644c083aa2b701d28d7e1fe95d0f92c3f1dcd90edf5fa0565a1c75cec0ac","evidence_url":"https://zambo.dev/api/evidence/43b3644c083aa2b701d28d7e1fe95d0f92c3f1dcd90edf5fa0565a1c75cec0ac","output_sha256":"sha256:94517eded0ac1b8ff2361041b087b3e75755cbcd659c630cf3f7711a317936f6","receipt_uuid":"0a702b1d-39e9-42cd-bbf9-9c5aa270c211","schema_version":"zambo-receipt-anchor/1"}

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

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/0a702b1d-39e9-42cd-bbf9-9c5aa270c211"><img src="https://zambo.dev/api/receipt/0a702b1d-39e9-42cd-bbf9-9c5aa270c211/badge.svg" alt="Verifiable Zambo receipt"></a>

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