Verifiable Receipt 8a603880 — capability_search result | Zambo

Verifiable receipt for a capability_search call on Zambo: {"query":"qr","status":"execution_plan","tools":[],"execution_plan":[],"continuity":"For a multi-step

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.

Observed result

{"query":"qr","status":"execution_plan","tools":[],"execution_plan":[],"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."}

Keep the work moving

This receipt proves the call completed. When the free allowance is not enough, choose the access path that fits the job.

UNLOCK 24H DAY PASS ($1.49) → ZAMBO PASS $49 →

RUN YOUR OWN FREE CALL →

Or re-run this exact call — same tool, same arguments.

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Verification checks

Signature valid: Recomputable from canonical bytes
Issued by zambo.dev: Served from the zambo.dev receipt store
Chain valid: Receipt hash chain is internally consistent
Recorded in the immutable log: 2026-09-19T23:45:38.948Z

Proof of observed execution

Receipt ID: 8a603880-978f-4b0a-ad86-c9de86776289
SHA-256 output hash: sha256:de35a0c4c2948e268f7d2dfa131ce58c853a55fcaf783197108af5b11a1e6953
Canonical bytes: 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
Timestamp: 2026-09-19T23:45:38.948Z

Bound call context

Receipt schema: 0.3
Tool name: capability_search
Tool version: 4.0.0
Permission scope: public
Caller type: anonymous
Caller ID: sha256:9b51e46a2fe3fb63bd6e5753710d42ba69b78ba0d631d0dc4d5eb6b36f46ca04
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:aceb2d8400c459baeb73ef10fe7c04b2fa286858d6250be85b08415f7c8a15b6
Byte length: 352

Fetch exact evidence bytes

Neutral Nostr anchor

Event ID: 9b5dcc40f572105602795ac23725c820590a269fe36c8fa2b834ff15b29be7b7
Anchor status: partial
Public key: e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41

Relay hints: wss://relay.damus.io · wss://nos.lol · wss://relay.primal.net

Schema: zambo-receipt-anchor/1

Signed envelope bytes:

{"anchored_at":"2026-09-19T23:45:38.918Z","evidence_byte_length":352,"evidence_sha256":"sha256:aceb2d8400c459baeb73ef10fe7c04b2fa286858d6250be85b08415f7c8a15b6","evidence_url":"https://zambo.dev/api/evidence/aceb2d8400c459baeb73ef10fe7c04b2fa286858d6250be85b08415f7c8a15b6","output_sha256":"sha256:de35a0c4c2948e268f7d2dfa131ce58c853a55fcaf783197108af5b11a1e6953","receipt_uuid":"8a603880-978f-4b0a-ad86-c9de86776289","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.

Embed this receipt

Markdown

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HTML

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