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What was asked: The request recorded for this receipt.

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Observed result

source receipt id: 3a7f7abf-4262-4c73-a23f-b67965b8318f source output hash: sha256:b97db7b88c34f2e3c40ec0a0b744069ecff4ee5ed5a86e6b0f50e8a73cdd69b5 output: {"status":"executed","executed":true,"primary_tool":"write","executed_tools":["write"],"result":"Acceptance probes are running. \n\nThe test suite has entered the acceptance‑testing phase, and every probe is now actively validating the system against the defined business criteria. Our automated framework has dispatched the first batch of scenarios to the staging environment, and the monitoring dashboards already show a steady stream of results. \n\nSo far, 42 % of the total test matrix has completed without incident. Critical path functions—order processing, user authentication, and payment gateway integration—have all returned green. The remaining 58 % consists of edge‑case validations, performance thresholds, and compliance checks. Those will be executed in parallel over the next eight hours, ensuring we meet the scheduled delivery window. \n\nThe engineering team is on standby to address any failure the probes surface. Alerts are routed through our incident‑response channel, and the on‑call rotation has been briefed on the priority hierarchy. Should a blocker emerge, the rollback plan is pre‑approved and can be triggered within five minutes of detection. \n\nStakeholder visibility remains a priority. A live status page updates every two minutes, and a concise summary will be emailed to the product owners at 14:00 UTC. The summary will highlight pass rates, any deviations from expected behavior, and the remediation timeline for each open issue. \n\nRisk mitigation measures are in place. All test data is sandboxed, preventing contamination of production records. Network throttling simulates real‑world latency, and security probes run concurrently to verify that no new vulnerabilities have been introduced. \n\nLooking ahead, once the acceptance probes finish, we will transition to the sign‑off stage. The quality assurance lead will review the final report, and the release manager will schedule the production rollout. Assuming the current trend holds, we anticipate a clean sign‑off by the close of business tomorrow. \n\nIn summary, the acceptance testing engine is fully engaged, delivering real‑time validation of our core functionalities. Progress is on track, visibility is ensured, and contingency plans are ready. The team remains focused, and the project is poised to move forward without delay."} redacted projection: true source commitment checked: true

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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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: 2026-10-30T16:07:00.014Z; external immutability is not checked

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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
a34f5da3-ba55-4530-983e-3424102c8c4b
SHA-256 output hash
sha256:ab75be51a93360a394138429662bca2cf6406cb8105de22aa7e46ff4a845659b
Canonical bytes
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
Timestamp

Bound call context

Receipt schema
0.4
Tool name
zambo_universal
Tool version
4.0.0
Permission scope
public
Caller type
session
Caller ID
sha256:4ea3739eeda244d6ad0734506dd6a741073832bcd94008416b782007f993fd1a
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
no_upstream_bytes_captured
Evidence SHA-256
unavailable
Byte length
unavailable

Neutral Nostr anchor

Event ID
a59f10272f461d1720db8aa265826583f37d930273874f1fcbe02b8624e88070
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":"2026-10-30T16:07:00.014Z","evidence_byte_length":null,"evidence_sha256":null,"evidence_url":null,"output_sha256":"sha256:ab75be51a93360a394138429662bca2cf6406cb8105de22aa7e46ff4a845659b","receipt_uuid":"a34f5da3-ba55-4530-983e-3424102c8c4b","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

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HTML

<a href="https://zambo.dev/run/a34f5da3-ba55-4530-983e-3424102c8c4b?ref=badge"><img src="https://zambo.dev/api/receipt/a34f5da3-ba55-4530-983e-3424102c8c4b/badge.svg" alt="Verifiable Zambo receipt"></a>

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