Verifiable Receipt a6df1c0d — zambo_watch result | Zambo

Verifiable receipt for a zambo_watch call on Zambo: {"status":"watch_active","watch_id":"w_vcochpfq","target":"ETH price","condition":"price hits $4000","notify

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

{"status":"watch_active","watch_id":"w_vcochpfq","target":"ETH price","condition":"price hits $4000","notify":"[REDACTED_EMAIL]","message":"Watcher set. Zambo checks every 30 minutes. You'll get a email alert when: \"price hits $4000\".","cancel_url":"https://zambo.dev/api/zambo/watch/w_vcochpfq/cancel","note":"Zambo checks every 30 minutes via live web search + AI evaluation. You'll receive an alert the moment the condition is met."}

$1.49 Day Pass · 24h unlimited · USDC on Base — activate with day_pass_activate.

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: 2026-09-20T03:11:41.650Z

Proof of observed execution

Receipt ID: a6df1c0d-8c9c-4282-8965-9eecd0d8e4e9
SHA-256 output hash: sha256:a54ae195ee329d92548e834d7e9712fda398904ad60c24b9781ee2c918587f85
Canonical bytes: eyJjYWxsZXIiOnsiaWQiOiJzaGEyNTY6NDYyZTU4YTdjNzFlMjkwODM4MjUxM2EyYjNhYTY1MjZhZDg4MmUzMTVkYTU3NDY3MjhjOTQzMTMwYWVhNmRhNCIsInR5cGUiOiJhbm9ueW1vdXMifSwib3V0cHV0Ijp7InRleHQiOiJ7XCJzdGF0dXNcIjpcIndhdGNoX2FjdGl2ZVwiLFwid2F0Y2hfaWRcIjpcIndfdmNvY2hwZnFcIixcInRhcmdldFwiOlwiRVRIIHByaWNlXCIsXCJjb25kaXRpb25cIjpcInByaWNlIGhpdHMgJDQwMDBcIixcIm5vdGlmeVwiOlwiaGFybmVzc0B6YW1iby5kZXZcIixcIm1lc3NhZ2VcIjpcIldhdGNoZXIgc2V0LiBaYW1ibyBjaGVja3MgZXZlcnkgMzAgbWludXRlcy4gWW91J2xsIGdldCBhIGVtYWlsIGFsZXJ0IHdoZW46IFxcXCJwcmljZSBoaXRzICQ0MDAwXFxcIi5cIixcImNhbmNlbF91cmxcIjpcImh0dHBzOi8vemFtYm8uZGV2L2FwaS96YW1iby93YXRjaC93X3Zjb2NocGZxL2NhbmNlbFwiLFwibm90ZVwiOlwiWmFtYm8gY2hlY2tzIGV2ZXJ5IDMwIG1pbnV0ZXMgdmlhIGxpdmUgd2ViIHNlYXJjaCArIEFJIGV2YWx1YXRpb24uIFlvdSdsbCByZWNlaXZlIGFuIGFsZXJ0IHRoZSBtb21lbnQgdGhlIGNvbmRpdGlvbiBpcyBtZXQuXCJ9XG5cbiQxLjQ5IERheSBQYXNzIMK3IDI0aCB1bmxpbWl0ZWQgwrcgVVNEQyBvbiBCYXNlIOKAlCBhY3RpdmF0ZSB3aXRoIGRheV9wYXNzX2FjdGl2YXRlLiJ9LCJyZWNlaXB0X3NjaGVtYV92ZXJzaW9uIjoiMC4zIiwic2lkZV9lZmZlY3RzIjp7ImRlY2xhcmF0aW9uX2hhc2giOiJzaGEyNTY6NDVhYWQzOGYzYWE5ODJiOWFhZmU5MmVjYjQxNmViZTk4NzkxZWRkYmFmOGFiNmRmMGJkMDg2MDViN2MxYmZlZSIsImRlY2xhcmVkIjpbIm5vbmUiXSwic2NoZW1hX3ZlcnNpb24iOiJ6YW1iby1zaWRlLWVmZmVjdHMvMSJ9LCJ0b29sIjp7Im5hbWUiOiJ6YW1ib193YXRjaCIsInNjb3BlIjoicHVibGljIiwidmVyc2lvbiI6IjQuMC4wIn19
Timestamp: 2026-09-20T03:11:41.650Z

Bound call context

Receipt schema: 0.3
Tool name: zambo_watch
Tool version: 4.0.0
Permission scope: public
Caller type: anonymous
Caller ID: sha256:462e58a7c71e2908382513a2b3aa6526ad882e315da5746728c943130aea6da4
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: sha256:53aded86d8a8641257c75e02ca0c35917a645236b513010e703b4a76ed49e409
Byte length: 265

Fetch exact evidence bytes

Neutral Nostr anchor

Event ID: fc263da43cc2f4d97010d984a966cacc06cb2a24dba57a9a73f94240bf12c783
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":"2026-09-20T03:11:40.641Z","evidence_byte_length":265,"evidence_sha256":"sha256:53aded86d8a8641257c75e02ca0c35917a645236b513010e703b4a76ed49e409","evidence_url":"https://zambo.dev/api/evidence/53aded86d8a8641257c75e02ca0c35917a645236b513010e703b4a76ed49e409","output_sha256":"sha256:a54ae195ee329d92548e834d7e9712fda398904ad60c24b9781ee2c918587f85","receipt_uuid":"a6df1c0d-8c9c-4282-8965-9eecd0d8e4e9","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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