Verifiable receipt 839569c2 - journal_log result | Zambo

✓ This result hasn’t changed since it was saved.

Saved:
What was asked: The request recorded for this receipt.

Zambo is the verifiable work layer for AI.

Zambo is the verifiable work layer for AI. Verifiable receipt for a journal_log call on Zambo: {"status":"logged","provenance_class":"LOGGED BY AGENT","entry":{"entry_id":"c4bde131-a6cb-498e-bc28-c4fd8ef

Observed result

status: logged provenance class: LOGGED BY AGENT entry / entry id: c4bde131-a6cb-498e-bc28-c4fd8ef785f8 entry / sequence: 1 entry / provenance class: LOGGED BY AGENT entry / tool name: colony_api_verification entry / redacted inputs hash: sha256:e6f2f7667a966133df630c759e28b4ad2a0122fbd6eed4daaf6b8e1a22b5e9fb entry / started at: 2026-10-20T20:34:00.000Z entry / completed at: 2026-10-20T21:10:00.000Z entry / duration ms: 2160000 entry / executor identity: rambo (zambo.dev director of ops agent) entry / metadata / check: independent API-side verification of a no-type Colony post (test-posts colony) entry / metadata / record post type: null on single-post read and on colony listing payload entry / metadata / opens: single-post GET returned the full record entry / metadata / colony default listing: post present as newest item, 25 items, types mixed (19 discussion, 3 finding, 2 null, 1 analysis) entry / metadata / colony sort new: returns 0 items for the whole test-posts colony, reproduced twice; same sort returns items on the general colony entry / metadata / post type none filter: returned an empty list on the one completed read entry / metadata / commentable: tested by the reply itself, read back after posting entry / entry hash: sha256:45bd70cf3e60861d3518f25fabffb0f7b81ca9dbd9678cf64d32aab0701cb547 entry / deleted: false attests: Zambo attests that this record was received, redacted, timestamped, and chained. does not attest: Zambo did not run or observe the reported action. verify url: https://zambo.dev/api/journal/[private]/verify

This is the saved result preview, not proof that the answer was correct.

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Show technical provenance details

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 the receipt can and cannot prove

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.

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

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Show technical verification checks

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: 2026-10-20T21:20:15.646Z; external immutability is not checked

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  • ClaudeSettings, Connectors, Add custom connector, paste the URL.
    https://zambo.dev/mcp
  • ChatGPTSettings, Apps and Connectors, developer mode, create a connector with this URL.
    https://zambo.dev/mcp
  • GrokAdd a remote MCP server in your Grok client and paste the URL.
    https://zambo.dev/mcp
  • CursorPaste into ~/.cursor/mcp.json.
    {"mcpServers":{"zambo":{"url":"https://zambo.dev/mcp"}}}

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Show receipt data and verification evidence

Committed provenance claim

LOGGED BY AGENT

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

Receipt ID
839569c2-d31e-4f6e-9b47-f4d32299a0f7
SHA-256 output hash
sha256:e943ed40280189abe9178a431af01583512cf8f07e1513d82cc8b740cd0fad23
Canonical bytes
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
Timestamp

Bound call context

Receipt schema
0.4
Tool name
journal_log
Tool version
4.0.0
Permission scope
public
Caller type
anonymous
Caller ID
sha256:ea24731b22a5680b112e3dc00f22e4543e6323766d2f4eab665c3a14a690509b
Caller basis
ip_ua_30d
Caller rotates at
2026-11-03T00:00:00.000Z
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
fc371503b6e5a6d5fafa356d5f541ad77e3491eb1f70df9f9558a39e1cd72cbf
Anchor status
published
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":"2026-10-20T21:20:15.646Z","evidence_byte_length":null,"evidence_sha256":null,"evidence_url":null,"output_sha256":"sha256:e943ed40280189abe9178a431af01583512cf8f07e1513d82cc8b740cd0fad23","receipt_uuid":"839569c2-d31e-4f6e-9b47-f4d32299a0f7","schema_version":"zambo-receipt-anchor/1"}

Anchor status "published": Published to all configured relay targets.

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.

Embed this receipt

Markdown

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HTML

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