Verifiable receipt 3e935214 - live_price result | Zambo

Verifiable receipt for a live_price call on Zambo: BTC · $83,707.00 USD ▲ 0.19% (24h) · Market cap: $1682.22B Live price via CoinGecko · Tue, 13 Oct 2026 08:46:

Observed result

BTC · $83,707.00 USD
▲ 0.19% (24h) · Market cap: $1682.22B

Live price via CoinGecko · Tue, 13 Oct 2026 08:46:13 GMT

This is the saved result preview, not proof that the answer was correct.

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Check this receipt

This record shows the result and timestamp stored for the call. Recompute the SHA-256 commitment from the saved bytes in your browser; signatures and chain proofs are not checked.

Provenance for every timeline entry

EXECUTED BY ZAMBOZambo ran the tool call itself.
OBSERVED VIA GATEWAYA Zambo gateway observed request and response bytes from the named external executor. Zambo did not run that external action.
LOGGED BY AGENTAn agent or local hook reported the action. Zambo attests that the record is unchanged since logging, not that the action happened as described.

Private agent reasoning, built-in client actions, and direct calls to unrelated MCP servers are not included unless an agent or gateway reports them.

What is this?

Zambo's receipt store reports a tool call and records its result. The SHA-256 commitment covers the exact canonical bytes. The provenance label is bound to v0.4 receipt bytes when that check passes, but no pinned signature or trusted issuer key is checked. An anchor can timestamp a fingerprint; it does not authenticate the issuer.

What is an execution receipt?

An execution receipt is a public record of a reported AI agent tool call. Its byte commitment and provenance claim can be checked independently; neither alone authenticates the issuer. Read the canonical definition of an AI agent execution receipt.

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This receipt records a completed tool call. When the free allowance is not enough, choose the access path that fits the job.

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Verification checks

SHA-256 commitment: Checked independently against the exact decoded bytes
Provenance binding: PASS; The metadata claim is consistent with the verified receipt bytes; issuer is not authenticated.
Metadata binding: PASS; metadata_hash matches the canonical metadata block.
Issuer authentication: NOT CHECKED; no pinned signing key or trusted issuer was supplied
Signature: NOT CHECKED; no Ed25519 signature or pinned key is supplied
Chain: NOT CHECKED; no append-only chain proof is validated
Stored timestamp: 2026-10-13T08:46:13.340Z; external immutability is not checked

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Committed provenance claim

EXECUTED BY ZAMBO

The metadata claim is consistent with the verified receipt bytes; issuer is not authenticated.

Receipt ID: 3e935214-ebf1-445b-acc8-5869b2d87617
SHA-256 output hash: sha256:0615be94f860b2e275e2bff3ecec1c6069d905ab4478b479c6628edaba31f581
Canonical bytes: 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
Timestamp: 2026-10-13T08:46:13.340Z

Bound call context

Receipt schema: 0.4
Tool name: live_price
Tool version: 4.0.0
Permission scope: public
Caller type: anonymous
Caller ID: sha256:49a71339a8a4ec47f26917b8f4cbd750a417124f18069477c03800d03a7796b0
Caller basis: ip_ua_30d
Caller rotates at: 2026-11-03T00:00:00.000Z
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: sha256:81a820ce3d659ed2a5c1d6c6b0987e1a607c3dd69a36910001451efa31e40e6e
Byte length: 98

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: 2026-10-13T08:46:13.324Z · raw response hash: sha256:81a820ce3d659ed2a5c1d6c6b0987e1a607c3dd69a36910001451efa31e40e6e

Neutral Nostr anchor

Event ID: 03423a7cef8c9dbd5538d1cc0fc666b714a0d7048252def4a3be4e437cbf96bf
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":"2026-10-13T08:46:13.340Z","evidence_byte_length":98,"evidence_sha256":"sha256:81a820ce3d659ed2a5c1d6c6b0987e1a607c3dd69a36910001451efa31e40e6e","evidence_url":"https://zambo.dev/api/evidence/81a820ce3d659ed2a5c1d6c6b0987e1a607c3dd69a36910001451efa31e40e6e","output_sha256":"sha256:0615be94f860b2e275e2bff3ecec1c6069d905ab4478b479c6628edaba31f581","receipt_uuid":"3e935214-ebf1-445b-acc8-5869b2d87617","schema_version":"zambo-receipt-anchor/1"}

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

Check this hash yourself

API v2 status: verified. This status summarizes the v2 commitment and provenance checks; it does not prove the answer was correct. Recompute the SHA-256 commitment in your browser. Open the API v2 JSON response to inspect the machine-readable checks. 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/3e935214-ebf1-445b-acc8-5869b2d87617"><img src="https://zambo.dev/api/receipt/3e935214-ebf1-445b-acc8-5869b2d87617/badge.svg" alt="Verifiable Zambo receipt"></a>

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