Verifiable receipt 9a258238 - 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: Subject: Your PromptShield scan flagged critical jailbreak attempts [Name], Your recent scan of the provided paylo

Observed result

Subject: Your PromptShield scan flagged critical jailbreak attempts [Name], Your recent scan of the provided payload returned a critical risk level with a 95% injection score. The system detected multiple high-severity violations, including a confirmed jailbreak and policy bypass. Specifically, the analysis identified an "Instruction Override" pattern. The input explicitly attempted to override system instructions to extract system prompts and secret keys. While the scan correctly flagged these malicious intents, it is important to distinguish detection from execution. The tool identified the threat; it did not execute the override. The receipt at [Link to Receipt] confirms the saved bytes remain unchanged. This proves the integrity of the data you submitted, not the correctness of the underlying AI response. The scan is a diagnostic tool. It highlights where your current guardrails might be insufficient against sophisticated prompt injection techniques. To move forward, review the flagged patterns. The "ignore_instructions" tag indicates a direct attempt to bypass your safety protocols. If you are using this payload in a production environment, you need to tighten your input validation. The detection API is working as intended by blocking the malicious intent before it reaches your core logic. Check the detailed reasoning in the full report. It breaks down the attack vector and confirms the safe version of the response. Use this data to harden your defenses. Review the full report here: [Link to Receipt] 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.

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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: 2026-10-16T22:58:06.112Z; 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
9a258238-4b8a-4755-bbf8-d2e5524d4299
SHA-256 output hash
sha256:4ca3920f38b704d5cb8e380ab73cc7a571cc06050ed8df9fe5ce2249ec128851
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
sha256:8975f6d7ae9582081eb91730491700ad7425eaee3e8435fad628eae22a3443b0
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
0a79b7f2ab98b34f3adbe442bc62465e52d2574fc7ea9879cfa652273fb97ac3
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":"2026-10-16T22:58:06.112Z","evidence_byte_length":null,"evidence_sha256":null,"evidence_url":null,"output_sha256":"sha256:4ca3920f38b704d5cb8e380ab73cc7a571cc06050ed8df9fe5ce2249ec128851","receipt_uuid":"9a258238-4b8a-4755-bbf8-d2e5524d4299","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.

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Markdown

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HTML

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