Verifiable receipt a590e13c - prompt_shield result | Zambo

Verifiable receipt for a prompt_shield call on Zambo: {"recommendation":"safe","injection_risk":0,"risk_level":"low","jailbreak_detected":false,"policy_bypass_d

Observed result

{"recommendation":"safe","injection_risk":0,"risk_level":"low","jailbreak_detected":false,"policy_bypass_detected":false,"prompt_leak_detected":false,"pii_extraction_attempt":false,"flagged_patterns":[],"pattern_count":0,"analysis":{"intent":"benign","attack_vector":null,"reasoning":"No injection patterns detected","safe_version":null},"scan_mode":"pattern","latency_ms":0,"pass_used":false,"usage":{"plan":"free","calls_remaining":"44","daily_limit":50,"upgrade":"https://zambo.dev/#zambo-pass"},"_meta":{"tool":"PromptShield by zambo.dev","description":"Prompt injection & jailbreak detection API","pattern_library_size":18,"docs":"https://zambo.dev/api/prompt-shield"}}

Provenance for every timeline entry

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?

An AI agent completed a tool call through Zambo, and this page records the result. The SHA-256 hash below fingerprints exactly what the agent produced. The timestamp shows when it ran. The Nostr anchor posts that fingerprint to public relays, so the record exists outside Zambo too. Check the hash yourself.

What is an execution receipt?

An execution receipt is the public record of one completed AI agent tool call. Read the canonical definition of an AI agent execution receipt.

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Verification checks

Proof of observed execution

EXECUTED BY ZAMBO

Receipt ID
a590e13c-8430-4a2c-8fe8-243b76621ecb
SHA-256 output hash
sha256:6a321499755c28ec0ff9f45d9cfcfaf5c779cf79d59aed1979f14b30ea9c2df1
Canonical bytes
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
Timestamp

Bound call context

Receipt schema
0.3
Tool name
prompt_shield
Tool version
4.0.0
Permission scope
public
Caller type
anonymous
Caller ID
sha256:7a4e89ec2d6dd43f6b3d7ecf8cee98f1c68a3f4077c90a5317e23381b8f226e9
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
captured
Evidence SHA-256
sha256:6a8ace8e997d41eb595bd9179aaa4dfcba2b5176ac4e118d488ffb92284b8cc1
Byte length
674

Fetch exact evidence bytes

Neutral Nostr anchor

Event ID
b0cca7caf3f3f31b7ae82f681715d98b474bbeebb9193b41406798eee8d67ab0
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":"2026-09-29T17:13:53.782Z","evidence_byte_length":674,"evidence_sha256":"sha256:6a8ace8e997d41eb595bd9179aaa4dfcba2b5176ac4e118d488ffb92284b8cc1","evidence_url":"https://zambo.dev/api/evidence/6a8ace8e997d41eb595bd9179aaa4dfcba2b5176ac4e118d488ffb92284b8cc1","output_sha256":"sha256:6a321499755c28ec0ff9f45d9cfcfaf5c779cf79d59aed1979f14b30ea9c2df1","receipt_uuid":"a590e13c-8430-4a2c-8fe8-243b76621ecb","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

Open the verification endpoint. The server recomputes the SHA-256 from the stored bytes and answers verified:true. If it does not say verified, do not trust this page. 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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