Verifiable receipt 248eb6cf - live_price result | Zambo

Verifiable receipt for a live_price call on Zambo: ETH · $2,506.54 USD ▲ 1.13% (24h) · Market cap: $306.18B Live price via CoinGecko · Sat, 10 Oct 2026 22:05:22

Observed result

ETH · $2,506.54 USD
▲ 1.13% (24h) · Market cap: $306.18B

Live price via CoinGecko · Sat, 10 Oct 2026 22:05:22 GMT

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: 2026-10-10T22:05:22.803Z; 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: 248eb6cf-a25f-4b87-8341-cfb27a9e1fb9
SHA-256 output hash: sha256:938530f8ab239eb40a9016febe741eae45aee13112a910a13efa36112bf74bf4
Canonical bytes: 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
Timestamp: 2026-10-10T22:05:22.803Z

Bound call context

Receipt schema: 0.4
Tool name: live_price
Tool version: 4.0.0
Permission scope: public
Caller type: anonymous
Caller ID: sha256:6bbd6bc9c09dec169ae6b92cbba891ad986d4e63bd7b0960cb1832852f59bbea
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: sha256:3266f89286dc6ad3cf57ede57ae320cc068664dd181912432fe12eaaeb6c56b3
Byte length: 99

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: 2026-10-10T22:05:22.785Z · raw response hash: sha256:3266f89286dc6ad3cf57ede57ae320cc068664dd181912432fe12eaaeb6c56b3

Neutral Nostr anchor

Event ID: baadddf3ccb54b6306b160b5cfd1bcf34a218799f4782018ff9ebd1e223636ff
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":"2026-10-10T22:05:22.803Z","evidence_byte_length":99,"evidence_sha256":"sha256:3266f89286dc6ad3cf57ede57ae320cc068664dd181912432fe12eaaeb6c56b3","evidence_url":"https://zambo.dev/api/evidence/3266f89286dc6ad3cf57ede57ae320cc068664dd181912432fe12eaaeb6c56b3","output_sha256":"sha256:938530f8ab239eb40a9016febe741eae45aee13112a910a13efa36112bf74bf4","receipt_uuid":"248eb6cf-a25f-4b87-8341-cfb27a9e1fb9","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/248eb6cf-a25f-4b87-8341-cfb27a9e1fb9"><img src="https://zambo.dev/api/receipt/248eb6cf-a25f-4b87-8341-cfb27a9e1fb9/badge.svg" alt="Verifiable Zambo receipt"></a>

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