Verifiable receipt 3427b8df — live_price result | Zambo

Verifiable receipt for a live_price call on Zambo: BTC · $86,511.00 USD ▲ 6.52% (24h) · Market cap: $1738.00B Live price via CoinGecko · Mon, 21 Sep 2026 23:54:

What is this?

An AI agent did real work through Zambo, and this page is the proof. The SHA-256 hash below is a fingerprint of exactly what the agent produced — change one character of the output and the fingerprint changes. The timestamp shows when it ran. The Nostr anchor posts that fingerprint to public relays, so the record exists outside Zambo too — anyone can look it up by the event ID below. You don't have to take the agent's word for it. Check the hash yourself.

What is an execution receipt?

An execution receipt is the public record of one completed AI agent tool call. Read the canonical definition of an AI agent execution receipt.

Observed result

BTC · $86,511.00 USD
▲ 6.52% (24h) · Market cap: $1738.00B

Live price via CoinGecko · Mon, 21 Sep 2026 23:54:07 GMT

Keep the work moving

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

UNLOCK 24H DAY PASS ($1.49) → ZAMBO PASS $49 →

RUN YOUR OWN FREE CALL →

Or re-run this exact call — same tool, same arguments.

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Verification checks

Proof of observed execution

Receipt ID
3427b8df-ea7d-4c99-ab66-38829e482db3
SHA-256 output hash
sha256:663e5fa3052289222107b73865ec9f9182d933d249258200b547cf57a27163e7
Canonical bytes
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
Timestamp

Bound call context

Receipt schema
0.3
Tool name
live_price
Tool version
4.0.0
Permission scope
public
Caller type
anonymous
Caller ID
sha256:69c2fd03153135298940bdfef5156018ed430b564b18447688e7432142533e0c
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
sha256:8493d0b66971156fd099a7fd3b812c95e8e32809cb52bfcaf4bbd4d2a76298c5
Byte length
96

Fetch exact evidence bytes

Upstream provenance

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

Neutral Nostr anchor

Event ID
db6a3f9db2cb5cafbc93d6b7ce94cb489c7cf0540fe175c220f7b5e8ad13d06e
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":"2026-09-21T23:54:07.493Z","evidence_byte_length":96,"evidence_sha256":"sha256:8493d0b66971156fd099a7fd3b812c95e8e32809cb52bfcaf4bbd4d2a76298c5","evidence_url":"https://zambo.dev/api/evidence/8493d0b66971156fd099a7fd3b812c95e8e32809cb52bfcaf4bbd4d2a76298c5","output_sha256":"sha256:663e5fa3052289222107b73865ec9f9182d933d249258200b547cf57a27163e7","receipt_uuid":"3427b8df-ea7d-4c99-ab66-38829e482db3","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

Open the verification endpoint — the server recomputes the SHA-256 from the stored bytes and answers verified:true. If it doesn't say verified, don't trust this page. 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/3427b8df-ea7d-4c99-ab66-38829e482db3"><img src="https://zambo.dev/api/receipt/3427b8df-ea7d-4c99-ab66-38829e482db3/badge.svg" alt="Verifiable Zambo receipt"></a>

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