Verifiable receipt afb13ecf — live_price result | Zambo

Verifiable receipt for a live_price call on Zambo: BTC · $86,735.00 USD ▲ 6.94% (24h) · Market cap: $1742.30B Live price via CoinGecko · Mon, 21 Sep 2026 20:19:

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 · $86,735.00 USD
▲ 6.94% (24h) · Market cap: $1742.30B

Live price via CoinGecko · Mon, 21 Sep 2026 20:19:23 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
afb13ecf-5a89-417c-8b9d-40e627a5267c
SHA-256 output hash
sha256:3131dc72bdcfc3f1b4ce05dba27ef2d01a07d9b8d9d46b3f676382fb6f72fb51
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:cebf65e8e95e63817db3e85bbc3a2fac6e357cd96d195878458f800d7eb2c401
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
sha256:83fc0795e45276fa5d986e6d83a792c89601ddd74b608e88a997564aff76a135
Byte length
95

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
cfe9b29c8e9b26469677199b7128baee8e294398992fe32fb0c893c950859105
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":"2026-09-21T20:19:24.001Z","evidence_byte_length":95,"evidence_sha256":"sha256:83fc0795e45276fa5d986e6d83a792c89601ddd74b608e88a997564aff76a135","evidence_url":"https://zambo.dev/api/evidence/83fc0795e45276fa5d986e6d83a792c89601ddd74b608e88a997564aff76a135","output_sha256":"sha256:3131dc72bdcfc3f1b4ce05dba27ef2d01a07d9b8d9d46b3f676382fb6f72fb51","receipt_uuid":"afb13ecf-5a89-417c-8b9d-40e627a5267c","schema_version":"zambo-receipt-anchor/1"}

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

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

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HTML

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