Verifiable receipt 70c21b97 — live_price result | Zambo

Verifiable receipt for a live_price call on Zambo: BTC · $85,808.00 USD ▲ 5.59% (24h) · Market cap: $1723.68B Live price via CoinGecko · Mon, 21 Sep 2026 17:23:

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 · $85,808.00 USD
▲ 5.59% (24h) · Market cap: $1723.68B

Live price via CoinGecko · Mon, 21 Sep 2026 17:23:33 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
70c21b97-5e80-43a3-ae34-388f8b864600
SHA-256 output hash
sha256:f21d4c59b2db0138acf6fcea9716fb4cd277681797bf39f4299e8427ee0ebbf0
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:efc7c32121dfc1b3c774cf50a52f66b7a684ee391648280021e602f32fa4981d
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
sha256:2ea8fb9fdb575899dac01bea47b7cc37094fe96436705fe45c5361fb5999868f
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
10f12670346c8188259912485f9145fa8347bd4836d6a30edc8f00aff7a65408
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":"2026-09-21T17:23:33.121Z","evidence_byte_length":96,"evidence_sha256":"sha256:2ea8fb9fdb575899dac01bea47b7cc37094fe96436705fe45c5361fb5999868f","evidence_url":"https://zambo.dev/api/evidence/2ea8fb9fdb575899dac01bea47b7cc37094fe96436705fe45c5361fb5999868f","output_sha256":"sha256:f21d4c59b2db0138acf6fcea9716fb4cd277681797bf39f4299e8427ee0ebbf0","receipt_uuid":"70c21b97-5e80-43a3-ae34-388f8b864600","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

Markdown

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HTML

<a href="https://zambo.dev/run/70c21b97-5e80-43a3-ae34-388f8b864600"><img src="https://zambo.dev/api/receipt/70c21b97-5e80-43a3-ae34-388f8b864600/badge.svg" alt="Verifiable Zambo receipt"></a>

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