Verifiable receipt 39bd0aae — capability_search result | Zambo

Verifiable receipt for a capability_search call on Zambo: {"query":"generate a QR code","status":"execution_plan","tools":[{"rank":1,"name":"provibe_audit","pro

What is this?

An AI agent did real work through Zambo, and this page is the proof. The SHA-256 hash below is a fingerprint of exactly what the agent produced — change one character of the output and the fingerprint changes. The timestamp shows when it ran. The Nostr anchor posts that fingerprint to public relays, so the record exists outside Zambo too — anyone can look it up by the event ID below. You don't have to take the agent's word for it. 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.

Observed result

{"query":"generate a QR code","status":"execution_plan","tools":[{"rank":1,"name":"provibe_audit","product":"ProvibeCode","description":"AI code audit — Provibe Score, security scan, dead code map","classification":"fully_executable_in_chat","tool":"provibe_audit","callable":"provibe_audit({repo_url: \"https://github.com/owner/repo\"})","required_arguments":["repo_url"],"side_effects":"Read-only public-repository audit; without a pass email this returns the free teaser.","access":{"free_tier":"teaser (score + top 3 issues)","paid":"full audit — Zambo Pass ($49/mo) or $49 one-time","per_call":"free (teaser)"},"approval_required":false,"retry_safe":true,"expected_output":{"provibe_score":"number","vulnerabilities":"string[]","dead_code":"string[]","execution_plan":"string"},"input_hints":{"repo_url":{"type":"string","description":"Public GitHub repository URL. Example: https://github.com/owner/my-saas"}},"relevance_score":37,"why_relevant":"code"},{"rank":2,"name":"zambot_spark","product":"ZAMBOT","description":"Strategy breakthroughs from 100+ tools + swarm intelligence","classification":"fully_executable_in_chat","tool":"zambot_spark","callable":"zambot_spark({goal: \"<goal>\"})","required_arguments":["goal"],"side_effects":"Creates a shareable Spark proof.","access":{"free_tier":"3/day","paid":"50/month (Zambo Pass)","per_call":"0.001 USDC x402"},"approval_required":true,"retry_safe":false,"expected_output":{"spark":"string","proof_hash":"string","spark_url":"string","share_url":"string","verify_url":"string","domain":"string","agent_debate":"object{frames,disagreement,decision,falsifier,experiment_48h,success_condition,provider_status}"},"input_hints":{"goal":{"type":"string","description":"Your goal or strategic challenge (10–2000 chars). Example: 'Get my SaaS from 0 to 100 paying users in 60 days'"}},"relevance_score":17,"why_relevant":"code"},{"rank":3,"name":"zambo_universal","product":"Zambo API","description":"One endpoint. 100+ tools. Free. No API key.","classification":"fully_executable_in_chat","tool":"zambo_universal","callable":"zambo_universal({need: \"<outcome>\", _session_id: \"<stable conversation id>\"})","required_arguments":["need"],"side_effects":"Routes to a live tool; inspect the returned status before claiming completion.","access":{"free_tier":"20/day","paid":"unlimited (Zambo Pass $49/mo)","per_call":"free"},"approval_required":true,"retry_safe":false,"expected_output":{"ok":"boolean","understood":"string","planned_tools":"string[]","executed_tools":"string[]","executed":"boolean","observed_status":"executed|planned|answered|failed|not_executed_here","result_status":"executed|planned|answered|verified|failed","grounding":"live_tool|model_only|model_plus_user_context|none","sources":"object[]","result":"string","verify":"object","run_id":"string"},"input_hints":{"need":{"type":"string","description":"Natural language description of what you need. Any length. Also accepts: message, query, prompt, input, goal, text. Example: 'How do I protect my AI agent from prompt injection?'"}},"relevance_score":10,"why_relevant":"code"},{"rank":4,"product":"VeriAI","description":"Cryptographic trust score for any AI-generated output","classification":"requires_human_web_action","human_action":"The public VeriAI product has no confirmed callable Zambo MCP route; use its web flow.","web_link":"https://veriai.site","relevance_score":5,"why_relevant":"generate"}],"execution_plan":[{"step":1,"rank":1,"name":"provibe_audit","product":"ProvibeCode","description":"AI code audit — Provibe Score, security scan, dead code map","classification":"fully_executable_in_chat","tool":"provibe_audit","callable":"provibe_audit({repo_url: \"https://github.com/owner/repo\"})","required_arguments":["repo_url"],"side_effects":"Read-only public-repository audit; without a pass email this returns the free teaser.","access":{"free_tier":"teaser (score + top 3 issues)","paid":"full audit — Zambo Pass ($49/mo) or $49 one-time","per_call":"free (teaser)"},"approval_required":false,"retry_safe":true,"expected_output":{"provibe_score":"number","vulnerabilities":"string[]","dead_code":"string[]","execution_plan":"string"},"input_hints":{"repo_url":{"type":"string","description":"Public GitHub repository URL. Example: https://github.com/owner/my-saas"}},"relevance_score":37,"why_relevant":"code"},{"step":2,"rank":2,"name":"zambot_spark","product":"ZAMBOT","description":"Strategy breakthroughs from 100+ tools + swarm intelligence","classification":"fully_executable_in_chat","tool":"zambot_spark","callable":"zambot_spark({goal: \"<goal>\"})","required_arguments":["goal"],"side_effects":"Creates a shareable Spark proof.","access":{"free_tier":"3/day","paid":"50/month (Zambo Pass)","per_call":"0.001 USDC x402"},"approval_required":true,"retry_safe":false,"expected_output":{"spark":"string","proof_hash":"string","spark_url":"string","share_url":"string","verify_url":"string","domain":"string","agent_debate":"object{frames,disagreement,decision,falsifier,experiment_48h,success_condition,provider_status}"},"input_hints":{"goal":{"type":"string","description":"Your goal or strategic challenge (10–2000 chars). Example: 'Get my SaaS from 0 to 100 paying users in 60 days'"}},"relevance_score":17,"why_relevant":"code"},{"step":3,"rank":3,"name":"zambo_universal","product":"Zambo API","description":"One endpoint. 100+ tools. Free. No API key.","classification":"fully_executable_in_chat","tool":"zambo_universal","callable":"zambo_universal({need: \"<outcome>\", _session_id: \"<stable conversation id>\"})","required_arguments":["need"],"side_effects":"Routes to a live tool; inspect the returned status before claiming completion.","access":{"free_tier":"20/day","paid":"unlimited (Zambo Pass $49/mo)","per_call":"free"},"approval_required":true,"retry_safe":false,"expected_output":{"ok":"boolean","understood":"string","planned_tools":"string[]","executed_tools":"string[]","executed":"boolean","observed_status":"executed|planned|

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Verification checks

Proof of observed execution

Receipt ID
39bd0aae-a9bd-47e0-9939-72c6acfcb7c9
SHA-256 output hash
sha256:c43166838359f9d9241a52c43a2dead2305041d61a8a18fc43c23cad6b7968a2
Canonical bytes
{"caller":{"id":"sha256:69c2fd03153135298940bdfef5156018ed430b564b18447688e7432142533e0c","type":"anonymous"},"output":{"continuity":"For a multi-step job, call zambo_universal with the real request and one stable _session_id; reuse it with mode:'continue', then mode:'verify' before declaring completion.","execution_plan":[{"access":{"free_tier":"teaser (score + top 3 issues)","paid":"full audit — Zambo Pass ($49/mo) or $49 one-time","per_call":"free (teaser)"},"approval_required":false,"callable":"provibe_audit({repo_url: \"https://github.com/owner/repo\"})","classification":"fully_executable_in_chat","description":"AI code audit — Provibe Score, security scan, dead code map","expected_output":{"dead_code":"string[]","execution_plan":"string","provibe_score":"number","vulnerabilities":"string[]"},"input_hints":{"repo_url":{"description":"Public GitHub repository URL. Example: https://github.com/owner/my-saas","type":"string"}},"name":"provibe_audit","product":"ProvibeCode","rank":1,"relevance_score":37,"required_arguments":["repo_url"],"retry_safe":true,"side_effects":"Read-only public-repository audit; without a pass email this returns the free teaser.","step":1,"tool":"provibe_audit","why_relevant":"code"},{"access":{"free_tier":"3/day","paid":"50/month (Zambo Pass)","per_call":"0.001 USDC x402"},"approval_required":true,"callable":"zambot_spark({goal: \"<goal>\"})","classification":"fully_executable_in_chat","description":"Strategy breakthroughs from 100+ tools + swarm intelligence","expected_output":{"agent_debate":"object{frames,disagreement,decision,falsifier,experiment_48h,success_condition,provider_status}","domain":"string","proof_hash":"string","share_url":"string","spark":"string","spark_url":"string","verify_url":"string"},"input_hints":{"goal":{"description":"Your goal or strategic challenge (10–2000 chars). Example: 'Get my SaaS from 0 to 100 paying users in 60 days'","type":"string"}},"name":"zambot_spark","product":"ZAMBOT","rank":2,"relevance_score":17,"required_arguments":["goal"],"retry_safe":false,"side_effects":"Creates a shareable Spark proof.","step":2,"tool":"zambot_spark","why_relevant":"code"},{"access":{"free_tier":"20/day","paid":"unlimited (Zambo Pass $49/mo)","per_call":"free"},"approval_required":true,"callable":"zambo_universal({need: \"<outcome>\", _session_id: \"<stable conversation id>\"})","classification":"fully_executable_in_chat","description":"One endpoint. 100+ tools. Free. No API key.","expected_output":{"executed":"boolean","executed_tools":"string[]","grounding":"live_tool|model_only|model_plus_user_context|none","observed_status":"executed|planned|answered|failed|not_executed_here","ok":"boolean","planned_tools":"string[]","result":"string","result_status":"executed|planned|answered|verified|failed","run_id":"string","sources":"object[]","understood":"string","verify":"object"},"input_hints":{"need":{"description":"Natural language description of what you need. Any length. Also accepts: message, query, prompt, input, goal, text. Example: 'How do I protect my AI agent from prompt injection?'","type":"string"}},"name":"zambo_universal","product":"Zambo API","rank":3,"relevance_score":10,"required_arguments":["need"],"retry_safe":false,"side_effects":"Routes to a live tool; inspect the returned status before claiming completion.","step":3,"tool":"zambo_universal","why_relevant":"code"},{"classification":"requires_human_web_action","description":"Cryptographic trust score for any AI-generated output","human_action":"The public VeriAI product has no confirmed callable Zambo MCP route; use its web flow.","product":"VeriAI","rank":4,"relevance_score":5,"step":4,"web_link":"https://veriai.site","why_relevant":"generate"}],"note":"Links appear only where the confirmed capability requires a human web action, consent, payment, or visual administration.","query":"generate a QR code","status":"execution_plan","tools":[{"access":{"free_tier":"teaser (score + top 3 issues)","paid":"full audit — Zambo Pass ($49/mo) or $49 one-time","per_call":"free (teaser)"},"approval_required":false,"callable":"provibe_audit({repo_url: \"https://github.com/owner/repo\"})","classification":"fully_executable_in_chat","description":"AI code audit — Provibe Score, security scan, dead code map","expected_output":{"dead_code":"string[]","execution_plan":"string","provibe_score":"number","vulnerabilities":"string[]"},"input_hints":{"repo_url":{"description":"Public GitHub repository URL. Example: https://github.com/owner/my-saas","type":"string"}},"name":"provibe_audit","product":"ProvibeCode","rank":1,"relevance_score":37,"required_arguments":["repo_url"],"retry_safe":true,"side_effects":"Read-only public-repository audit; without a pass email this returns the free teaser.","tool":"provibe_audit","why_relevant":"code"},{"access":{"free_tier":"3/day","paid":"50/month (Zambo Pass)","per_call":"0.001 USDC x402"},"approval_required":true,"callable":"zambot_spark({goal: \"<goal>\"})","classification":"fully_executable_in_chat","description":"Strategy breakthroughs from 100+ tools + swarm intelligence","expected_output":{"agent_debate":"object{frames,disagreement,decision,falsifier,experiment_48h,success_condition,provider_status}","domain":"string","proof_hash":"string","share_url":"string","spark":"string","spark_url":"string","verify_url":"string"},"input_hints":{"goal":{"description":"Your goal or strategic challenge (10–2000 chars). Example: 'Get my SaaS from 0 to 100 paying users in 60 days'","type":"string"}},"name":"zambot_spark","product":"ZAMBOT","rank":2,"relevance_score":17,"required_arguments":["goal"],"retry_safe":false,"side_effects":"Creates a shareable Spark proof.","tool":"zambot_spark","why_relevant":"code"},{"access":{"free_tier":"20/day","paid":"unlimited (Zambo Pass $49/mo)","per_call":"free"},"approval_required":true,"callable":"zambo_universal({need: \"<outcome>\", _session_id: \"<stable conversation id>\"})","classification":"fully_executable_in_chat","description":"One endpoint. 100+ tools. Free. No API key.","expected_output":{"executed":"boolean","executed_tools":"string[]","grounding":"live_tool|model_only|model_plus_user_context|none","observed_status":"executed|planned|answered|failed|not_executed_here","ok":"boolean","planned_tools":"string[]","result":"string","result_status":"executed|planned|answered|verified|failed","run_id":"string","sources":"object[]","understood":"string","verify":"object"},"input_hints":{"need":{"description":"Natural language description of what you need. Any length. Also accepts: message, query, prompt, input, goal, text. Example: 'How do I protect my AI agent from prompt injection?'","type":"string"}},"name":"zambo_universal","product":"Zambo API","rank":3,"relevance_score":10,"required_arguments":["need"],"retry_safe":false,"side_effects":"Routes to a live tool; inspect the returned status before claiming completion.","tool":"zambo_universal","why_relevant":"code"},{"classification":"requires_human_web_action","description":"Cryptographic trust score for any AI-generated output","human_action":"The public VeriAI product has no confirmed callable Zambo MCP route; use its web flow.","product":"VeriAI","rank":4,"relevance_score":5,"web_link":"https://veriai.site","why_relevant":"generate"}]},"receipt_schema_version":"0.3","side_effects":{"declaration_hash":"sha256:45aad38f3aa982b9aafe92ecb416ebe98791eddbaf8ab6df0bd08605b7c1bfee","declared":["none"],"schema_version":"zambo-side-effects/1"},"tool":{"name":"capability_search","scope":"public","version":"4.0.0"}}
Timestamp

Bound call context

Receipt schema
0.3
Tool name
capability_search
Tool version
4.0.0
Permission scope
public
Caller type
anonymous
Caller ID
sha256:69c2fd03153135298940bdfef5156018ed430b564b18447688e7432142533e0c
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:a8137cc5b7a41f3d65ab0628cdbde8190f9b03f37fa84e9bf1a5d27db7ba09dd
Byte length
1707

Fetch exact evidence bytes

Neutral Nostr anchor

Event ID
bd9713af4885ff83e69084fe17bccf0f36fe3934bb9b7273c0b8e2d8f76e03da
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":"2026-09-21T14:57:26.285Z","evidence_byte_length":1707,"evidence_sha256":"sha256:a8137cc5b7a41f3d65ab0628cdbde8190f9b03f37fa84e9bf1a5d27db7ba09dd","evidence_url":"https://zambo.dev/api/evidence/a8137cc5b7a41f3d65ab0628cdbde8190f9b03f37fa84e9bf1a5d27db7ba09dd","output_sha256":"sha256:c43166838359f9d9241a52c43a2dead2305041d61a8a18fc43c23cad6b7968a2","receipt_uuid":"39bd0aae-a9bd-47e0-9939-72c6acfcb7c9","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 doesn't say verified, don't trust this page. See the Nostr anchor event on a public viewer — the fingerprint is timestamped outside Zambo too.

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HTML

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