Verifiable Receipt 4a640271 — live_price result | Zambo

Verifiable receipt for a live_price call on Zambo: BTC · $81,293.00 USD ▲ 0.48% (24h) · Market cap: $1633.55B Live price via CoinGecko · Sat, 19 Sep 2026 23:40:

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.

Observed result

BTC · $81,293.00 USD
▲ 0.48% (24h) · Market cap: $1633.55B

Live price via CoinGecko · Sat, 19 Sep 2026 23:40:53 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

Signature valid: Recomputable from canonical bytes
Issued by zambo.dev: Served from the zambo.dev receipt store
Chain valid: Receipt hash chain is internally consistent
Recorded in the immutable log: 2026-09-19T23:40:53.638Z

Proof of observed execution

Receipt ID: 4a640271-867e-452b-80f8-d8dcfe942f18
SHA-256 output hash: sha256:6ce22e99981f4715724f12f4dd4148b9dc0be097e6ebb482f331905f1eda99ba
Canonical bytes: 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
Timestamp: 2026-09-19T23:40:53.638Z

Bound call context

Receipt schema: 0.3
Tool name: live_price
Tool version: 4.0.0
Permission scope: public
Caller type: anonymous
Caller ID: sha256:478b9adf73f75dff8b8012fa3d0b366f08dd2a5c78f19c29054d0301a9ccef99
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:d4a89ad5985298ed9e2b9581eb0d8b4aaa4f7b3460904bd71b9fc52f0e30e5e5
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.

Source: CoinGecko · queried at: 2026-09-19T23:40:53.533Z · raw response hash: sha256:d4a89ad5985298ed9e2b9581eb0d8b4aaa4f7b3460904bd71b9fc52f0e30e5e5

Neutral Nostr anchor

Event ID: 178ea430205caab6d2fa695f50f47b96ea5129242805e333e6f9b8a9f24f45cc
Anchor status: published
Public key: e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41

Relay hints: wss://relay.damus.io · wss://nos.lol · wss://relay.primal.net

Schema: zambo-receipt-anchor/1

Signed envelope bytes:

{"anchored_at":"2026-09-19T23:40:53.571Z","evidence_byte_length":96,"evidence_sha256":"sha256:d4a89ad5985298ed9e2b9581eb0d8b4aaa4f7b3460904bd71b9fc52f0e30e5e5","evidence_url":"https://zambo.dev/api/evidence/d4a89ad5985298ed9e2b9581eb0d8b4aaa4f7b3460904bd71b9fc52f0e30e5e5","output_sha256":"sha256:6ce22e99981f4715724f12f4dd4148b9dc0be097e6ebb482f331905f1eda99ba","receipt_uuid":"4a640271-867e-452b-80f8-d8dcfe942f18","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

[![Verified Zambo receipt](https://zambo.dev/api/receipt/4a640271-867e-452b-80f8-d8dcfe942f18/badge.svg)](https://zambo.dev/run/4a640271-867e-452b-80f8-d8dcfe942f18)

HTML

<a href="https://zambo.dev/run/4a640271-867e-452b-80f8-d8dcfe942f18"><img src="https://zambo.dev/api/receipt/4a640271-867e-452b-80f8-d8dcfe942f18/badge.svg" alt="Verified Zambo receipt"></a>

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