Verifiable receipt da15f97b — capability_search result | Zambo

Verifiable receipt for a capability_search call on Zambo: {"query":"test","status":"execution_plan","tools":[{"rank":1,"name":"zambo_score","product":"Zambo Sco

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":"test","status":"execution_plan","tools":[{"rank":1,"name":"zambo_score","product":"Zambo Score","description":"Score any startup, idea, or repo 0–100 — grade + bottleneck + fastest win","classification":"fully_executable_in_chat","tool":"zambo_score","callable":"zambo_score({input: \"<idea, startup, or repo>\"})","required_arguments":["input"],"side_effects":"Read-only score and bottleneck.","access":{"free_tier":"unlimited","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"retry_safe":true,"expected_output":{"score":"number","breakdown":"object","label":"string","recommendations":"string[]"},"input_hints":{"input":{"type":"string","description":"Anything to score — startup idea, repo URL, business, goal, or product (3–1000 chars). Example: 'a SaaS helping plumbers find clients with AI'"}},"relevance_score":15,"why_relevant":"test"},{"rank":2,"product":"Nad.City","description":"3D blockchain explorer for Monad — every contract is a building","classification":"requires_human_web_action","relevance_score":10,"why_relevant":"test"}],"execution_plan":[{"step":1,"rank":1,"name":"zambo_score","product":"Zambo Score","description":"Score any startup, idea, or repo 0–100 — grade + bottleneck + fastest win","classification":"fully_executable_in_chat","tool":"zambo_score","callable":"zambo_score({input: \"<idea, startup, or repo>\"})","required_arguments":["input"],"side_effects":"Read-only score and bottleneck.","access":{"free_tier":"unlimited","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"retry_safe":true,"expected_output":{"score":"number","breakdown":"object","label":"string","recommendations":"string[]"},"input_hints":{"input":{"type":"string","description":"Anything to score — startup idea, repo URL, business, goal, or product (3–1000 chars). Example: 'a SaaS helping plumbers find clients with AI'"}},"relevance_score":15,"why_relevant":"test"},{"step":2,"rank":2,"product":"Nad.City","description":"3D blockchain explorer for Monad — every contract is a building","classification":"requires_human_web_action","relevance_score":10,"why_relevant":"test"}],"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.","note":"Links appear only where the confirmed capability requires a human web action, consent, payment, or visual administration."}

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Verification checks

Proof of observed execution

Receipt ID
da15f97b-71a6-4fc1-84fe-56cc4bfd4eb6
SHA-256 output hash
sha256:7f74b2290257425e0962cea1ed8e460ec9576bcb0e2ad69db49d132cf49edc12
Canonical bytes
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
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
sha256:06b16f520df04a3c52cede7c92eaf4f7d06a8494a0eaea2068edc209d317f679
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
sha256:1e78f628e4d592c27b6cbea406efe2509c943b8a6e5bcc890efa1239bca726c1
Byte length
1079

Fetch exact evidence bytes

Neutral Nostr anchor

Event ID
23d18f488c1fc5843aaeb22bee3f10fc7a99c627d7c87d8ab90ef14d571f4336
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":"2026-09-21T20:21:41.483Z","evidence_byte_length":1079,"evidence_sha256":"sha256:1e78f628e4d592c27b6cbea406efe2509c943b8a6e5bcc890efa1239bca726c1","evidence_url":"https://zambo.dev/api/evidence/1e78f628e4d592c27b6cbea406efe2509c943b8a6e5bcc890efa1239bca726c1","output_sha256":"sha256:7f74b2290257425e0962cea1ed8e460ec9576bcb0e2ad69db49d132cf49edc12","receipt_uuid":"da15f97b-71a6-4fc1-84fe-56cc4bfd4eb6","schema_version":"zambo-receipt-anchor/1"}

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

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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