Receipt publication · saved and checkable

✓ This result hasn’t changed since it was saved.

Sent using Zambo

Saved:
What was asked: The request recorded for this receipt.

Zambo is the verifiable work layer for AI.

Observed result

schema: zambo.redacted-receipt-publication/1 redacted projection: true source receipt id: 9d18b800-1ff8-497a-a62f-044d39f7797c source output hash: sha256:7c24353040fb847091dcc740bef1e9f74698c064600bdea4071bcf2136795b5e source tool: zambo_universal publication notice: This is a newly committed redacted publication copy, not the original tool output. The original commitment is unchanged and its private bytes are withheld. output: {"status":"in_progress","trail_status":"in_progress","observed_steps":[{"ok":true,"ts":1790971269681,"tool":"zambo_universal","summary":"{\"status\":\"executed\",\"primary_tool\":\"live_price\",\"executed\":true,\"executed_tools\":[\"live_price\"],\"result\":\"BTC · $84,234.00 USD\\n▼ 0.46% (24h) · Market cap: $1692.48B\\n\\nLive price via CoinGecko · Fri, 02 Oct 2026 20:01:09 GMT\",\"verify\":{\"status\":\"complete\",\"message\":\"BTC-USD price and source were r","args_hash":"sha256:664239a7651be98174a2b88089fc9ce2b84e81c4b17084c044e6b7f16f0ed818","receipt_uuid":"ae91985d-045a-46b5-8a8f-d943dd4ea805"},{"ok":true,"ts":1790971270250,"tool":"zambo_universal","summary":"ETH · $2,667.14 USD ▼ 1.18% (24h) · Market cap: $325.65B Live price via CoinGecko · Fri, 02 Oct 2026 20:01:10 GMT","args_hash":"sha256:8339595d20819813ba037f38a641d430b6881be705524691e9d57f599b8ce51c","receipt_uuid":"89737fea-d999-410e-a626-034f4068a985"}],"stored_facts":[],"instruction":"This is the observed trail state. Compare it with the requested outcome; a successful tool call is one completed step, not proof that the whole task is complete."}

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

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Show technical provenance details

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 receipt?

This is a verifiable receipt for a journal entry. It confirms receipt, redaction, timestamping, and chaining. It does not attest to execution.

What the receipt can and cannot prove

What is this?

Zambo's receipt store reports a journal entry from an agent or local hook. The SHA-256 commitment covers the receipt bytes. The provenance label is only a claim, not proof of issuer identity or that the reported action happened.

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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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Show technical verification checks

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: 2026-10-22T02:44:23.138Z; external immutability is not checked

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Add to my AI ·

Get receipts for your own AI work: add zambo.dev/mcp

One URL, no key. Copy the line for your AI and add it yourself in its settings.

  • ClaudeSettings, Connectors, Add custom connector, paste the URL.
    https://zambo.dev/mcp
  • ChatGPTSettings, Apps and Connectors, developer mode, create a connector with this URL.
    https://zambo.dev/mcp
  • GrokAdd a remote MCP server in your Grok client and paste the URL.
    https://zambo.dev/mcp
  • CursorPaste into ~/.cursor/mcp.json.
    {"mcpServers":{"zambo":{"url":"https://zambo.dev/mcp"}}}

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Show receipt data and verification evidence

Committed provenance claim

LOGGED BY AGENT

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

Receipt ID
4485761a-2f46-58a3-a222-a557fd4e7f45
SHA-256 output hash
sha256:5d330d74dea2f8b35b4afca1bf05573cf1f810904ad0982028ef6418b8f35748
Canonical bytes
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
Timestamp

Bound call context

Receipt schema
0.4
Tool name
receipt_publication
Tool version
4.0.0
Permission scope
public
Caller type
session
Caller ID
sha256:916cddb962700d34b2ec2e0b0f02fab2f2ac38ebcc21e017aad1804a2c4a951b
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
no_upstream_bytes_captured
Evidence SHA-256
unavailable
Byte length
unavailable

Neutral Nostr anchor

Event ID
544f72fc9d38cbc4d5821c37680d74e08ceadc25bcb46305e25cf8579b4feb9a
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":"2026-10-22T02:44:23.138Z","evidence_byte_length":null,"evidence_sha256":null,"evidence_url":null,"output_sha256":"sha256:5d330d74dea2f8b35b4afca1bf05573cf1f810904ad0982028ef6418b8f35748","receipt_uuid":"4485761a-2f46-58a3-a222-a557fd4e7f45","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

Receipt commitment: commitment matched; issuer, signature and chain not checked. This checks the saved bytes, not whether 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

[![Verifiable Zambo receipt](https://zambo.dev/api/receipt/4485761a-2f46-58a3-a222-a557fd4e7f45/badge.svg)](https://zambo.dev/run/4485761a-2f46-58a3-a222-a557fd4e7f45?ref=badge)

HTML

<a href="https://zambo.dev/run/4485761a-2f46-58a3-a222-a557fd4e7f45?ref=badge"><img src="https://zambo.dev/api/receipt/4485761a-2f46-58a3-a222-a557fd4e7f45/badge.svg" alt="Verifiable Zambo receipt"></a>

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