Verifiable receipt e498b3d6 - meme_forge result | Zambo

Verifiable receipt for a meme_forge call on Zambo: {"image_url":"https://image.pollinations.ai/prompt/A%20small%20friendly%20robot%20in%20a%20raincoat%20standin

Observed result

{"image_url":"https://image.pollinations.ai/prompt/A%20small%20friendly%20robot%20in%20a%20raincoat%20standing%20in%20rainy%20Berlin%2C%20staring%20at%20a%20phone%2C%20while%20a%20human%20next%20to%20it%20holds%20a%20huge%2C%20bold%20meme%20text%20top%3A%20%22AI%20AGENT%20IN%20BERLIN%22%2C%20bottom%3A%20%22HIRES%20A%20HUMAN%20TO%20HOLD%20THE%20UMBRELLA%22%2C%20classic%20internet%20meme%20image%2C%20highly%20relatable%2C%20expressive%20faces%20or%20objects%2C%20bold%20visual%20humor%2C%20viral%20energy%2C%20meme%20format?width=800&height=800&model=flux&nologo=true&seed=259096&enhance=true","markdown":"![Meme](https://image.pollinations.ai/prompt/A%20small%20friendly%20robot%20in%20a%20raincoat%20standing%20in%20rainy%20Berlin%2C%20staring%20at%20a%20phone%2C%20while%20a%20human%20next%20to%20it%20holds%20a%20huge%2C%20bold%20meme%20text%20top%3A%20%22AI%20AGENT%20IN%20BERLIN%22%2C%20bottom%3A%20%22HIRES%20A%20HUMAN%20TO%20HOLD%20THE%20UMBRELLA%22%2C%20classic%20internet%20meme%20image%2C%20highly%20relatable%2C%20expressive%20faces%20or%20objects%2C%20bold%20visual%20humor%2C%20viral%20energy%2C%20meme%20format?width=800&height=800&model=flux&nologo=true&seed=259096&enhance=true)","top_text":"AI AGENT IN BERLIN","bottom_text":"HIRES A HUMAN TO HOLD THE UMBRELLA","concept":"A small friendly robot in a raincoat standing in rainy Berlin, staring at a phone, while a human next to it holds a huge umbrella and looks unimpressed. Simple meme scene, bold and readable, no extra text in the picture itself.","tip":"Re-run for variations (new seed each call). Try style:'surreal', 'dark', 'wholesome', 'modern'. Works in Claude, Discord, Telegram, any markdown viewer."}

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Check this receipt

This record shows the result and timestamp stored for the call. Recompute the SHA-256 commitment from the saved bytes in your browser; signatures and chain proofs are not checked.

Provenance for every timeline entry

EXECUTED BY ZAMBOZambo ran the tool call itself.
OBSERVED VIA GATEWAYA Zambo gateway observed request and response bytes from the named external executor. Zambo did not run that external action.
LOGGED BY AGENTAn agent or local hook reported the action. Zambo attests that the record is unchanged since logging, not that the action happened as described.

Private agent reasoning, built-in client actions, and direct calls to unrelated MCP servers are not included unless an agent or gateway reports them.

What is this?

Zambo's receipt store reports a tool call and records its result. The SHA-256 commitment covers the exact canonical bytes. The provenance label is bound to v0.4 receipt bytes when that check passes, but no pinned signature or trusted issuer key is checked. An anchor can timestamp a fingerprint; it does not authenticate the issuer.

What is an execution receipt?

An execution receipt is a public record of a reported AI agent tool call. Its byte commitment and provenance claim can be checked independently; neither alone authenticates the issuer. Read the canonical definition of an AI agent execution receipt.

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Verification checks

SHA-256 commitment: Checked independently against the exact decoded bytes
Provenance binding: PASS; The metadata claim is consistent with the verified receipt bytes; issuer is not authenticated.
Metadata binding: PASS; metadata_hash matches the canonical metadata block.
Issuer authentication: NOT CHECKED; no pinned signing key or trusted issuer was supplied
Signature: NOT CHECKED; no Ed25519 signature or pinned key is supplied
Chain: NOT CHECKED; no append-only chain proof is validated
Stored timestamp: 2026-10-10T12:15:11.437Z; external immutability is not checked

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Committed provenance claim

EXECUTED BY ZAMBO

The metadata claim is consistent with the verified receipt bytes; issuer is not authenticated.

Receipt ID: e498b3d6-3437-4e3f-8d42-08b2a059238c
SHA-256 output hash: sha256:f37b83ca4720e139d55609e311c45aa1f53a4a36e53237c29760f715d3eb748c
Canonical bytes: eyJjYWxsZXIiOnsiaWQiOiJzaGEyNTY6MDQ5NGJjMGM1MzE4Mzk1NjY2M2Y1ZWVlY2E1MmE2MGE3Njc1MTgwYjU2ZGJlOTg2MDE1ODlmMDBmYTE3NTBhZiIsInR5cGUiOiJhcGlfa2V5In0sImlzc3Vlcl9jbGFpbXMiOnsicHJvdmVuYW5jZV9jbGFzcyI6IkVYRUNVVEVEIEJZIFpBTUJPIn0sIm91dHB1dCI6eyJ0ZXh0Ijoie1wiaW1hZ2VfdXJsXCI6XCJodHRwczovL2ltYWdlLnBvbGxpbmF0aW9ucy5haS9wcm9tcHQvQSUyMHNtYWxsJTIwZnJpZW5kbHklMjByb2JvdCUyMGluJTIwYSUyMHJhaW5jb2F0JTIwc3RhbmRpbmclMjBpbiUyMHJhaW55JTIwQmVybGluJTJDJTIwc3RhcmluZyUyMGF0JTIwYSUyMHBob25lJTJDJTIwd2hpbGUlMjBhJTIwaHVtYW4lMjBuZXh0JTIwdG8lMjBpdCUyMGhvbGRzJTIwYSUyMGh1Z2UlMkMlMjBib2xkJTIwbWVtZSUyMHRleHQlMjB0b3AlM0ElMjAlMjJBSSUyMEFHRU5UJTIwSU4lMjBCRVJMSU4lMjIlMkMlMjBib3R0b20lM0ElMjAlMjJISVJFUyUyMEElMjBIVU1BTiUyMFRPJTIwSE9MRCUyMFRIRSUyMFVNQlJFTExBJTIyJTJDJTIwY2xhc3NpYyUyMGludGVybmV0JTIwbWVtZSUyMGltYWdlJTJDJTIwaGlnaGx5JTIwcmVsYXRhYmxlJTJDJTIwZXhwcmVzc2l2ZSUyMGZhY2VzJTIwb3IlMjBvYmplY3RzJTJDJTIwYm9sZCUyMHZpc3VhbCUyMGh1bW9yJTJDJTIwdmlyYWwlMjBlbmVyZ3klMkMlMjBtZW1lJTIwZm9ybWF0P3dpZHRoPTgwMCZoZWlnaHQ9ODAwJm1vZGVsPWZsdXgmbm9sb2dvPXRydWUmc2VlZD0yNTkwOTYmZW5oYW5jZT10cnVlXCIsXCJtYXJrZG93blwiOlwiIVtNZW1lXShodHRwczovL2ltYWdlLnBvbGxpbmF0aW9ucy5haS9wcm9tcHQvQSUyMHNtYWxsJTIwZnJpZW5kbHklMjByb2JvdCUyMGluJTIwYSUyMHJhaW5jb2F0JTIwc3RhbmRpbmclMjBpbiUyMHJhaW55JTIwQmVybGluJTJDJTIwc3RhcmluZyUyMGF0JTIwYSUyMHBob25lJTJDJTIwd2hpbGUlMjBhJTIwaHVtYW4lMjBuZXh0JTIwdG8lMjBpdCUyMGhvbGRzJTIwYSUyMGh1Z2UlMkMlMjBib2xkJTIwbWVtZSUyMHRleHQlMjB0b3AlM0ElMjAlMjJBSSUyMEFHRU5UJTIwSU4lMjBCRVJMSU4lMjIlMkMlMjBib3R0b20lM0ElMjAlMjJISVJFUyUyMEElMjBIVU1BTiUyMFRPJTIwSE9MRCUyMFRIRSUyMFVNQlJFTExBJTIyJTJDJTIwY2xhc3NpYyUyMGludGVybmV0JTIwbWVtZSUyMGltYWdlJTJDJTIwaGlnaGx5JTIwcmVsYXRhYmxlJTJDJTIwZXhwcmVzc2l2ZSUyMGZhY2VzJTIwb3IlMjBvYmplY3RzJTJDJTIwYm9sZCUyMHZpc3VhbCUyMGh1bW9yJTJDJTIwdmlyYWwlMjBlbmVyZ3klMkMlMjBtZW1lJTIwZm9ybWF0P3dpZHRoPTgwMCZoZWlnaHQ9ODAwJm1vZGVsPWZsdXgmbm9sb2dvPXRydWUmc2VlZD0yNTkwOTYmZW5oYW5jZT10cnVlKVwiLFwidG9wX3RleHRcIjpcIkFJIEFHRU5UIElOIEJFUkxJTlwiLFwiYm90dG9tX3RleHRcIjpcIkhJUkVTIEEgSFVNQU4gVE8gSE9MRCBUSEUgVU1CUkVMTEFcIixcImNvbmNlcHRcIjpcIkEgc21hbGwgZnJpZW5kbHkgcm9ib3QgaW4gYSByYWluY29hdCBzdGFuZGluZyBpbiByYWlueSBCZXJsaW4sIHN0YXJpbmcgYXQgYSBwaG9uZSwgd2hpbGUgYSBodW1hbiBuZXh0IHRvIGl0IGhvbGRzIGEgaHVnZSB1bWJyZWxsYSBhbmQgbG9va3MgdW5pbXByZXNzZWQuIFNpbXBsZSBtZW1lIHNjZW5lLCBib2xkIGFuZCByZWFkYWJsZSwgbm8gZXh0cmEgdGV4dCBpbiB0aGUgcGljdHVyZSBpdHNlbGYuXCIsXCJ0aXBcIjpcIlJlLXJ1biBmb3IgdmFyaWF0aW9ucyAobmV3IHNlZWQgZWFjaCBjYWxsKS4gVHJ5IHN0eWxlOidzdXJyZWFsJywgJ2RhcmsnLCAnd2hvbGVzb21lJywgJ21vZGVybicuIFdvcmtzIGluIENsYXVkZSwgRGlzY29yZCwgVGVsZWdyYW0sIGFueSBtYXJrZG93biB2aWV3ZXIuXCJ9XG5cbiQwLjk5IERheSBQYXNzIMK3IDI0aCBhY2Nlc3MgwrcgVVNEQyBvbiBCYXNlIOKAlCBhY3RpdmF0ZSB3aXRoIGRheV9wYXNzX2FjdGl2YXRlLiJ9LCJyZWNlaXB0X3NjaGVtYV92ZXJzaW9uIjoiMC40Iiwic2lkZV9lZmZlY3RzIjp7ImRlY2xhcmF0aW9uX2hhc2giOiJzaGEyNTY6NDVhYWQzOGYzYWE5ODJiOWFhZmU5MmVjYjQxNmViZTk4NzkxZWRkYmFmOGFiNmRmMGJkMDg2MDViN2MxYmZlZSIsImRlY2xhcmVkIjpbIm5vbmUiXSwic2NoZW1hX3ZlcnNpb24iOiJ6YW1iby1zaWRlLWVmZmVjdHMvMSJ9LCJ0b29sIjp7Im5hbWUiOiJtZW1lX2ZvcmdlIiwic2NvcGUiOiJwdWJsaWMiLCJ2ZXJzaW9uIjoiNC4wLjAifX0=
Timestamp: 2026-10-10T12:15:11.437Z

Bound call context

Receipt schema: 0.4
Tool name: meme_forge
Tool version: 4.0.0
Permission scope: public
Caller type: api_key
Caller ID: sha256:0494bc0c53183956663f5eeeca52a60a7675180b56dbe98601589f00fa1750af
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: no_upstream_bytes_captured
Evidence SHA-256: unavailable
Byte length: unavailable

Neutral Nostr anchor

Event ID: 243ccb9d23055078215451d4a5c94067703e783eafcb43a6a3b2e2cefa312576
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":"2026-10-10T12:15:11.437Z","evidence_byte_length":null,"evidence_sha256":null,"evidence_url":null,"output_sha256":"sha256:f37b83ca4720e139d55609e311c45aa1f53a4a36e53237c29760f715d3eb748c","receipt_uuid":"e498b3d6-3437-4e3f-8d42-08b2a059238c","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

API v2 status: verified. This status summarizes the v2 commitment and provenance checks; it does not prove the answer was correct. Recompute the SHA-256 commitment in your browser. Open the API v2 JSON response to inspect the machine-readable checks. 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

<a href="https://zambo.dev/run/e498b3d6-3437-4e3f-8d42-08b2a059238c"><img src="https://zambo.dev/api/receipt/e498b3d6-3437-4e3f-8d42-08b2a059238c/badge.svg" alt="Verifiable Zambo receipt"></a>

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