Verifiable Receipt fbed6c91 — secondary_receipt result | Zambo

Verifiable receipt for a secondary_receipt call on Zambo: {"receipt_type":"secondary","id":"b85f3db9-9840-445a-8876-7e15544f0859","hash_algorithm":"sha256","can

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

{"receipt_type":"secondary","id":"b85f3db9-9840-445a-8876-7e15544f0859","hash_algorithm":"sha256","canonical_bytes":"eyJ0ZXh0IjoiQXVkaXRlZCB6YW1iby5kZXYvZG9jcy9zZWNvbmRhcnktcmVjZWlwdHMgYWdhaW5zdCB0aGUgbGl2ZSBBUEkgb24gMjAyNi0wOS0xOCJ9","canonical_byte_length":87,"output_hash":"sha256:5140eea270e4ff97f1bcf7c0682a76020325eed11f9e3f8c3e1a012e52cf1c15","submitted_at":"2026-09-18T07:52:01.162Z","submitter":"anonymous","claims":{},"source_url":"https://zambo.dev/docs/secondary-receipts","evidence_breakdown":[{"type":"web_link","tier":"weak","description":"Docs page checked live","check":"unverifiable","claim":"Docs page checked live"}],"gaps":[],"score":0,"scoring_function":"v1","audit_url":"https://zambo.dev/receipts/b85f3db9-9840-445a-8876-7e15544f0859","disclaimer":"Zambo did not witness the original work. This receipt records evidence submitted at submitted_at and the results of the checks described. claimed_completed_at is submitter-asserted, not verified."}

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.

Share on X ·

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: 2026-09-18T07:52:01.264Z

Proof of observed execution

Receipt ID: fbed6c91-d796-40f5-adc6-86d6d10ce16f
SHA-256 output hash: sha256:d284a64ba2e303cea06adff5563249a0e6f525d402d34399d3cbe925a2cb30c1
Canonical bytes: eyJhdWRpdF91cmwiOiJodHRwczovL3phbWJvLmRldi9yZWNlaXB0cy9iODVmM2RiOS05ODQwLTQ0NWEtODg3Ni03ZTE1NTQ0ZjA4NTkiLCJjYW5vbmljYWxfYnl0ZV9sZW5ndGgiOjg3LCJjYW5vbmljYWxfYnl0ZXMiOiJleUowWlhoMElqb2lRWFZrYVhSbFpDQjZZVzFpYnk1a1pYWXZaRzlqY3k5elpXTnZibVJoY25rdGNtVmpaV2x3ZEhNZ1lXZGhhVzV6ZENCMGFHVWdiR2wyWlNCQlVFa2diMjRnTWpBeU5pMHdPUzB4T0NKOSIsImNsYWltcyI6e30sImRpc2NsYWltZXIiOiJaYW1ibyBkaWQgbm90IHdpdG5lc3MgdGhlIG9yaWdpbmFsIHdvcmsuIFRoaXMgcmVjZWlwdCByZWNvcmRzIGV2aWRlbmNlIHN1Ym1pdHRlZCBhdCBzdWJtaXR0ZWRfYXQgYW5kIHRoZSByZXN1bHRzIG9mIHRoZSBjaGVja3MgZGVzY3JpYmVkLiBjbGFpbWVkX2NvbXBsZXRlZF9hdCBpcyBzdWJtaXR0ZXItYXNzZXJ0ZWQsIG5vdCB2ZXJpZmllZC4iLCJldmlkZW5jZV9icmVha2Rvd24iOlt7ImNoZWNrIjoidW52ZXJpZmlhYmxlIiwiY2xhaW0iOiJEb2NzIHBhZ2UgY2hlY2tlZCBsaXZlIiwiZGVzY3JpcHRpb24iOiJEb2NzIHBhZ2UgY2hlY2tlZCBsaXZlIiwidGllciI6IndlYWsiLCJ0eXBlIjoid2ViX2xpbmsifV0sImdhcHMiOltdLCJoYXNoX2FsZ29yaXRobSI6InNoYTI1NiIsImlkIjoiYjg1ZjNkYjktOTg0MC00NDVhLTg4NzYtN2UxNTU0NGYwODU5Iiwib3V0cHV0X2hhc2giOiJzaGEyNTY6NTE0MGVlYTI3MGU0ZmY5N2YxYmNmN2MwNjgyYTc2MDIwMzI1ZWVkMTFmOWUzZjhjM2UxYTAxMmU1MmNmMWMxNSIsInJlY2VpcHRfdHlwZSI6InNlY29uZGFyeSIsInNjb3JlIjowLCJzY29yaW5nX2Z1bmN0aW9uIjoidjEiLCJzb3VyY2VfdXJsIjoiaHR0cHM6Ly96YW1iby5kZXYvZG9jcy9zZWNvbmRhcnktcmVjZWlwdHMiLCJzdWJtaXR0ZWRfYXQiOiIyMDI2LTA5LTE4VDA3OjUyOjAxLjE2MloiLCJzdWJtaXR0ZXIiOiJhbm9ueW1vdXMifQ==
Timestamp: 2026-09-18T07:52:01.264Z

Bound upstream evidence

Status: no_upstream_bytes_captured
Evidence SHA-256: unavailable
Byte length: unavailable

Neutral Nostr anchor

Event ID: e23cba2367e144c9cb84132ee0b0d3862d5dfd6bc02fe1b6ce8c0d12c6a7a31d
Anchor status: published
Public key: e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41

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

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.

Embed this receipt

Markdown

[![Verified Zambo receipt](https://zambo.dev/api/receipt/fbed6c91-d796-40f5-adc6-86d6d10ce16f/badge.svg)](https://zambo.dev/run/fbed6c91-d796-40f5-adc6-86d6d10ce16f)

HTML

<a href="https://zambo.dev/run/fbed6c91-d796-40f5-adc6-86d6d10ce16f"><img src="https://zambo.dev/api/receipt/fbed6c91-d796-40f5-adc6-86d6d10ce16f/badge.svg" alt="Verified Zambo receipt"></a>

Open badge SVG

Secondary receipt

Score: 0/10 (v1)
Submitted at: 2026-09-18T07:52:01.162Z
Claimed completed at: Not provided — and never independently verified

Zambo did not witness the original work. This receipt records evidence submitted at submitted_at and the results of the checks described. claimed_completed_at is submitter-asserted, not verified.

Recent verifiable receipts

31,816 verifiable receipts minted