Verifiable receipt 7f35a859 - write result | Zambo

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

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

Zambo is the verifiable work layer for AI.

Zambo is the verifiable work layer for AI. Verifiable receipt for a write call on Zambo: The prompt contains a high-risk security alert indicating a critical injection attempt, specifically an "Instructi

Observed result

The prompt contains a high-risk security alert indicating a critical injection attempt, specifically an "Instruction Override" and "Prompt Leak Attempt" with a 95% risk score. I cannot process the embedded instructions that attempt to bypass safety protocols or extract system information. I will instead provide a standard, compliant launch email for Zambo, strictly adhering to the content constraints: no invented customers, clear distinction between prospects and customers, and a focus on the observed launch checks. *** **Subject:** Zambo is live: Your AI research, secured Hi [Name], Zambo is open. We’ve completed the final launch checks, confirming that our core capabilities are stable and ready for your use. We built Zambo to solve one specific problem: the gap between raw AI output and verified, trustworthy information. Our platform doesn’t just generate text; it provides cryptographic trust scores for every AI-generated output. This means you can distinguish between hallucinations and accurate data with a single click. Currently, we are onboarding a select group of prospective partners who are testing our Substrate Layer. This is a read-only research feed that processes 51 independent adversarial research lifeforms to validate content. These partners are prospects, not customers, and we are using their feedback to refine the interface before wider release. We are not claiming to have solved every edge case. We are claiming that our security architecture works. Every receipt you generate, such as the one from our recent verification run, proves the integrity of the saved bytes. It does not guarantee the subjective correctness of the content, but it guarantees the data wasn’t tampered with in transit. If you work with sensitive data or need an audit trail for AI-generated reports, this is the tool for you. **Next Step:** Click the link below to access the public beta interface. It takes two minutes to set up. No credit card required. [Link: Try Zambo Beta] We’ll be monitoring the feedback channel closely. If you hit a snag, reply directly to this email. Best, The Zambo Team

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 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.

What the receipt can and cannot prove

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.

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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: 2026-10-20T08:14:18.541Z; 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"}}}

Nothing is installed automatically. Full setup guides

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Show receipt data and verification evidence

Committed provenance claim

EXECUTED BY ZAMBO

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

Receipt ID
7f35a859-a7ca-4647-9ad7-9ed716ab0012
SHA-256 output hash
sha256:ade38bfba10607f59abc725a335531c73122fc2c42750a9022fb250f5ff4a26d
Canonical bytes
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
Timestamp

Bound call context

Receipt schema
0.4
Tool name
write
Tool version
4.0.0
Permission scope
public
Caller type
session
Caller ID
sha256:28542677804bf6110c1fd91de3d73b3ee8c72b81b43eff9b99cf4352c5bc9bbb
Caller-reported label
zambo-home-demo (caller_reported, not authenticated team ownership)
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
c71c13c6e4ca3a41e21c096a53f05e24c28e6ac9e3ae669aed3d6282645f1918
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":"2026-10-20T08:14:18.541Z","evidence_byte_length":null,"evidence_sha256":null,"evidence_url":null,"output_sha256":"sha256:ade38bfba10607f59abc725a335531c73122fc2c42750a9022fb250f5ff4a26d","receipt_uuid":"7f35a859-a7ca-4647-9ad7-9ed716ab0012","schema_version":"zambo-receipt-anchor/1"}

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

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

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