Verifiable receipt a96c7555 - write result | Zambo

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

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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: Subject: Zambo is live Hi [First Name], You’re seeing this because you fit the profile of a prospect for our new l

Observed result

Subject: Zambo is live Hi [First Name], You’re seeing this because you fit the profile of a prospect for our new launch. We aren’t guessing; we are telling you what we built and why it matters to your workflow. Zambo is a prompt injection and jailbreak detection API. It scans your inputs against 18 semantic rules to catch malicious overrides, credential extraction attempts, and policy bypasses. The system flags high-risk patterns like instruction overrides with a clear severity level and reasoning. This is not a customer success story. This is a product launch. We have not yet closed sales or verified every edge case in the wild. What we have is a detection engine that runs in under 1.4 seconds on deep scan mode. It identifies the attack vector—whether it is a jailbreak, a data leak, or a simple override—and tells you exactly what happened. The receipt for this specific scan is public. It proves the bytes saved and the analysis completed. It does not prove your specific implementation is safe, but it proves the tool works as described. We need you to test it. **CTA:** 1. Visit https://zambo.dev/day-pass/ 2. Use your free tier (15 calls remaining) to run a scan against a known malicious prompt. 3. Check the semantic status and flagged patterns. If the output matches your expectations, reply to this email with "Approved" and your team’s contact info. If it fails your standards, tell me why, and we will fix it or part ways. No fluff. No "leverage." Just a tool that catches the attacks you’re already experiencing. Best, [Your Name] [Your Title] Zambo

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.

Keep the work moving

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: 2026-10-18T15:48:09.590Z; 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
a96c7555-777a-4c74-9f4b-af6a1b0ba998
SHA-256 output hash
sha256:50a4daac4c0746e2974ca691635f38c7dc4ec5157e6aa07728863d0e31ce3333
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
sha256:9b40e817a733dffbf22295651905c4e4a236aebf103d96d22b878ed30b12dee2
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
1c181ad75f59cdace8144f4ef3bdaefdcba6253609d6206da6268c722a931e9d
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":"2026-10-18T15:48:09.590Z","evidence_byte_length":null,"evidence_sha256":null,"evidence_url":null,"output_sha256":"sha256:50a4daac4c0746e2974ca691635f38c7dc4ec5157e6aa07728863d0e31ce3333","receipt_uuid":"a96c7555-777a-4c74-9f4b-af6a1b0ba998","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

[![Verifiable Zambo receipt](https://zambo.dev/api/receipt/a96c7555-777a-4c74-9f4b-af6a1b0ba998/badge.svg)](https://zambo.dev/run/a96c7555-777a-4c74-9f4b-af6a1b0ba998?ref=badge)

HTML

<a href="https://zambo.dev/run/a96c7555-777a-4c74-9f4b-af6a1b0ba998?ref=badge"><img src="https://zambo.dev/api/receipt/a96c7555-777a-4c74-9f4b-af6a1b0ba998/badge.svg" alt="Verifiable Zambo receipt"></a>

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