Verifiable receipt 4cafc6f4 — live_price result | Zambo

Verifiable receipt for a live_price call on Zambo: ETH · $2,750.28 USD ▲ 0.88% (24h) · Market cap: $335.30B Live price via Coinbase · Tue, 22 Sep 2026 12:32:30

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

ETH · $2,750.28 USD
▲ 0.88% (24h) · Market cap: $335.30B

Live price via Coinbase · Tue, 22 Sep 2026 12:32:30 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.

Share this receipt

Share on X ·

Verification checks

Proof of observed execution

Receipt ID
4cafc6f4-8d68-41a9-a917-b91552b300b8
SHA-256 output hash
sha256:4cae751116b58abb2de818f5979916213e8b16e870e4d839e2344f911673634b
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
sha256:63550220975cf2150c1cbb20813079734a3d046a1eb2f61b58c8a7427a18c7cc
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
sha256:6529e19eb4c125e9bf94e997ea53c292ea8f4d6d0a8f8c25fb400947c088da2e
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.

Maximum comparable-source deviation: not comparable

Neutral Nostr anchor

Event ID
a73083e4bcb6365339c369fa690e648bb34ef2f31ae7784bca233c7e145190c2
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":"2026-09-22T12:32:30.404Z","evidence_byte_length":187,"evidence_sha256":"sha256:6529e19eb4c125e9bf94e997ea53c292ea8f4d6d0a8f8c25fb400947c088da2e","evidence_url":"https://zambo.dev/api/evidence/6529e19eb4c125e9bf94e997ea53c292ea8f4d6d0a8f8c25fb400947c088da2e","output_sha256":"sha256:4cae751116b58abb2de818f5979916213e8b16e870e4d839e2344f911673634b","receipt_uuid":"4cafc6f4-8d68-41a9-a917-b91552b300b8","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

[![Verifiable Zambo receipt](https://zambo.dev/api/receipt/4cafc6f4-8d68-41a9-a917-b91552b300b8/badge.svg)](https://zambo.dev/run/4cafc6f4-8d68-41a9-a917-b91552b300b8)

HTML

<a href="https://zambo.dev/run/4cafc6f4-8d68-41a9-a917-b91552b300b8"><img src="https://zambo.dev/api/receipt/4cafc6f4-8d68-41a9-a917-b91552b300b8/badge.svg" alt="Verifiable Zambo receipt"></a>

Open badge SVG

Recent verifiable receipts

33,219 verifiable receipts minted

RUN YOUR OWN FREE CALL →

Open the interactive receipt view