Verifiable receipt 9807ed38 - live_price result | Zambo

Verifiable receipt for a live_price call on Zambo: BTC · $82,960.00 USD ▲ 0.05% (24h) · Market cap: $1667.10B Live price via CoinGecko · Sat, 10 Oct 2026 15:46:

Observed result

BTC · $82,960.00 USD
▲ 0.05% (24h) · Market cap: $1667.10B

Live price via CoinGecko · Sat, 10 Oct 2026 15:46:38 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: 2026-10-10T15:46:38.380Z; 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: 9807ed38-9926-45f3-a77d-9f7a941f75a3
SHA-256 output hash: sha256:fd32a623ab56ab597e249e1bf87f0b9ae6a0f48e5ed7f8c21afb31688ea35591
Canonical bytes: eyJjYWxsZXIiOnsiYmFzaXMiOiJpcF91YV8zMGQiLCJpZCI6InNoYTI1NjphY2JlYTk1NTQ4ZmIzYTA5YzQ4OThhZTIzZDFhNjJlODNkNmVkZDc1NmI4NmYwYWRmZDdjMmNhODIxNTc5MzcxIiwicm90YXRlc19hdCI6IjIwMjYtMTEtMDNUMDA6MDA6MDAuMDAwWiIsInR5cGUiOiJhbm9ueW1vdXMifSwiaXNzdWVyX2NsYWltcyI6eyJwcm92ZW5hbmNlX2NsYXNzIjoiRVhFQ1VURUQgQlkgWkFNQk8ifSwib3V0cHV0Ijp7InRleHQiOiJCVEMgwrcgJDgyLDk2MC4wMCBVU0RcbuKWsiAwLjA1JSAoMjRoKSDCtyBNYXJrZXQgY2FwOiAkMTY2Ny4xMEJcblxuTGl2ZSBwcmljZSB2aWEgQ29pbkdlY2tvIMK3IFNhdCwgMTAgT2N0IDIwMjYgMTU6NDY6MzggR01UIn0sInJlY2VpcHRfc2NoZW1hX3ZlcnNpb24iOiIwLjQiLCJzaWRlX2VmZmVjdHMiOnsiZGVjbGFyYXRpb25faGFzaCI6InNoYTI1Njo0NWFhZDM4ZjNhYTk4MmI5YWFmZTkyZWNiNDE2ZWJlOTg3OTFlZGRiYWY4YWI2ZGYwYmQwODYwNWI3YzFiZmVlIiwiZGVjbGFyZWQiOlsibm9uZSJdLCJzY2hlbWFfdmVyc2lvbiI6InphbWJvLXNpZGUtZWZmZWN0cy8xIn0sInRvb2wiOnsibmFtZSI6ImxpdmVfcHJpY2UiLCJzY29wZSI6InB1YmxpYyIsInZlcnNpb24iOiI0LjAuMCJ9fQ==
Timestamp: 2026-10-10T15:46:38.380Z

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:acbea95548fb3a09c4898ae23d1a62e83d6edd756b86f0adfd7c2ca821579371
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: sha256:5ff475f187bf953d8e200b98144a6271048045dd7181fb64c8bd48e69214a1bd
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: 2026-10-10T15:46:38.363Z · raw response hash: sha256:5ff475f187bf953d8e200b98144a6271048045dd7181fb64c8bd48e69214a1bd

Neutral Nostr anchor

Event ID: d96d73f9fdca4dc85352f52539e786c72c5bb0776e69c9d716e79ba08f01be1e
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":"2026-10-10T15:46:38.380Z","evidence_byte_length":99,"evidence_sha256":"sha256:5ff475f187bf953d8e200b98144a6271048045dd7181fb64c8bd48e69214a1bd","evidence_url":"https://zambo.dev/api/evidence/5ff475f187bf953d8e200b98144a6271048045dd7181fb64c8bd48e69214a1bd","output_sha256":"sha256:fd32a623ab56ab597e249e1bf87f0b9ae6a0f48e5ed7f8c21afb31688ea35591","receipt_uuid":"9807ed38-9926-45f3-a77d-9f7a941f75a3","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/9807ed38-9926-45f3-a77d-9f7a941f75a3"><img src="https://zambo.dev/api/receipt/9807ed38-9926-45f3-a77d-9f7a941f75a3/badge.svg" alt="Verifiable Zambo receipt"></a>

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