Verifiable receipt 801b0911 — zambo_universal result | Zambo

Verifiable receipt for a zambo_universal call on Zambo: {"status":"executed","result_status":"verified","primary_tool":"zambo_universal","requested_need":"Get t

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

{"status":"executed","result_status":"verified","primary_tool":"zambo_universal","requested_need":"Get the current SOL price in USD, and also find which Zambo tool can generate a QR code. Report both clearly.","demo":false,"planned_tools":["live_price","qr_generate"],"executed_tools":["live_price","qr_generate"],"executed":true,"steps":[{"tool":"live_price","started_at":"2026-09-21T15:00:41.056Z","completed_at":"2026-09-21T15:00:41.203Z","status":"completed","result_status":"observed"},{"tool":"qr_generate","started_at":"2026-09-21T15:00:41.203Z","completed_at":"2026-09-21T15:00:41.203Z","status":"completed","result_status":"observed"}],"execution_trail":[{"tool":"live_price","started_at":"2026-09-21T15:00:41.056Z","completed_at":"2026-09-21T15:00:41.203Z","status":"completed","result_status":"observed"},{"tool":"qr_generate","started_at":"2026-09-21T15:00:41.203Z","completed_at":"2026-09-21T15:00:41.203Z","status":"completed","result_status":"observed"}],"results":{"live_price":"SOL · $117.94 USD\n▲ 9.09% (24h) · Market cap: $69.26B\n\nLive price via CoinGecko · Mon, 21 Sep 2026 15:00:41 GMT","qr_generate":{"qr_url":"https://api.qrserver.com/v1/create-qr-code/?data=https%3A%2F%2Fzambo.dev%2Fapi%2Fmcp&size=400x400&format=png&margin=10","markdown":"![QR Code](https://api.qrserver.com/v1/create-qr-code/?data=https%3A%2F%2Fzambo.dev%2Fapi%2Fmcp&size=400x400&format=png&margin=10)","data":"https://zambo.dev/api/mcp","size":"400×400px","note":"Direct QR code image URL — renders inline in Claude, any markdown viewer, or browser. Right-click to save or share.","tip":"Works for URLs, text, phone numbers (tel:+1...), email (mailto:...), WiFi (WIFI:S:name;T:WPA;P:password;;), vCards, anything."}},"verify":{"status":"complete","message":"Every read-only step returned an observed result. The receipt records the complete server-side execution trail."}}

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

Integrity check: 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: 2026-09-21T15:00:41.245Z

Proof of observed execution

Receipt ID: 801b0911-b62c-42de-87ad-d04ee64a38cc
SHA-256 output hash: sha256:6439fcf5087e5b861561febc00bec1fa7688bfbd373eb40c2e5e1b886b044dd5
Canonical bytes: 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
Timestamp: 2026-09-21T15:00:41.245Z

Bound call context

Receipt schema: 0.3
Tool name: zambo_universal
Tool version: 4.0.0
Permission scope: public
Caller type: session
Caller ID: sha256:32ff65220d04e9abc930b8165f0eeb17061130d7b2db9b13116c8ea3622a1116
Declared side effects: state_write
Side-effects schema: zambo-side-effects/1
Declaration hash: sha256:dfb4412aa429d3ac637a05668c435bcc90a251363fcdd49f7b85ae4ab55b5bc9

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: sha256:450b607b35d3919896075a2bb0220667e82d1d677957cacef4e4d23f4da8f76a
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.

Source: CoinGecko · queried at: 2026-09-21T15:00:41.203Z · raw response hash: sha256:450b607b35d3919896075a2bb0220667e82d1d677957cacef4e4d23f4da8f76a

Neutral Nostr anchor

Event ID: 7b3dc08cefb9b6c11ecc8d06b1a8abfb40ef7f8724595eca71e66ad2fd213cff
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":"2026-09-21T15:00:41.218Z","evidence_byte_length":95,"evidence_sha256":"sha256:450b607b35d3919896075a2bb0220667e82d1d677957cacef4e4d23f4da8f76a","evidence_url":"https://zambo.dev/api/evidence/450b607b35d3919896075a2bb0220667e82d1d677957cacef4e4d23f4da8f76a","output_sha256":"sha256:6439fcf5087e5b861561febc00bec1fa7688bfbd373eb40c2e5e1b886b044dd5","receipt_uuid":"801b0911-b62c-42de-87ad-d04ee64a38cc","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

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HTML

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