A note in your job log · saved and checkable

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 receipt?

This is a verifiable receipt for a journal entry. It confirms receipt, redaction, timestamping, and chaining. It does not attest to execution.

What is this?

Zambo's receipt store reports a journal entry from an agent or local hook. The SHA-256 commitment covers the receipt bytes. The provenance label is only a claim, not proof of issuer identity or that the reported action happened.

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: 2026-10-21T09:21:42.904Z; external immutability is not checked

Committed provenance claim

LOGGED BY AGENT

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

Receipt ID

36bb0037-d23c-4fa5-8986-3ad911543c8d

SHA-256 output hash

sha256:3f6c614c2ab95fa8235efd5746c7b3c85dae60b10d323ee575077803df50a693

Canonical bytes

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

Timestamp

2026-10-21T09:21:42.904Z

Bound call context

Receipt schema

0.4

Tool name

journal_log

Tool version

4.0.0

Permission scope

public

Caller type

session

Caller ID

sha256:e0ca395e6acbc5ae719f5d57071c5c872428dbdcf92ff682f265035582174a6a

Caller-reported label

rambo-blitz-20261021-am (caller_reported, not authenticated team ownership)

Declared side effects

state_write

Side-effects schema

zambo-side-effects/1

Declaration hash

sha256:dfb4412aa429d3ac637a05668c435bcc90a251363fcdd49f7b85ae4ab55b5bc9

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

da2530ef55cefb5bb3eced77d9b40c5461f540e928083b1743d1fc362010538c

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":"2026-10-21T09:21:42.904Z","evidence_byte_length":null,"evidence_sha256":null,"evidence_url":null,"output_sha256":"sha256:3f6c614c2ab95fa8235efd5746c7b3c85dae60b10d323ee575077803df50a693","receipt_uuid":"36bb0037-d23c-4fa5-8986-3ad911543c8d","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

Receipt commitment: commitment matched; issuer, signature and chain not checked. This checks the saved bytes, not whether 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.