Verifiable receipt 90bd5887 - capability_search result | Zambo

Verifiable receipt for a capability_search call on Zambo: {"query":"live price","status":"execution_plan","tools":[{"rank":1,"product":"Live Feed","description"

Observed result

{"query":"live price","status":"execution_plan","tools":[{"rank":1,"product":"Live Feed","description":"Real-time anonymized MCP activity — see verified calls as they happen","classification":"chat_readable_status","human_action":"Open the live activity feed to inspect anonymized verified tool calls.","web_link":"https://zambo.dev/live","relevance_score":32,"why_relevant":"live"},{"rank":2,"name":"zambo_universal","product":"X711","description":"MCP gas station for AI agents — tools + x402 payments on Base","classification":"fully_executable_in_chat","tool":"zambo_universal","callable":"zambo_universal({need: \"Use X711 for the requested execution\"})","required_arguments":["need"],"side_effects":"Some external routes can write or transact; request confirmation before a consequential route.","access":{"free_tier":"20/day per tool","paid":"unlimited (Zambo Pass $29/mo)","per_call":"free"},"approval_required":true,"retry_safe":false,"expected_output":{"ok":"boolean","understood":"string","planned_tools":"string[]","executed_tools":"string[]","executed":"boolean","observed_status":"executed|planned|answered|failed|not_executed_here","result_status":"executed|planned|answered|verified|failed","grounding":"live_tool|model_only|model_plus_user_context|none","sources":"object[]","result":"string","verify":"object","run_id":"string"},"input_hints":{"need":{"type":"string","description":"Natural language description of what you need. Any length. Also accepts: message, query, prompt, input, goal, text. Example: 'How do I protect my AI agent from prompt injection?'"}},"relevance_score":20,"why_relevant":"live, price"},{"rank":3,"name":"credithunt","product":"CreditHunt","description":"Live verified index of every AI/cloud startup credit program — free API","classification":"fully_executable_in_chat","tool":"credithunt","callable":"credithunt({stack: [\"vercel\", \"aws\"], stage: \"early\"})","required_arguments":[],"side_effects":"Read-only current-program lookup.","access":{"free_tier":"unlimited","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"retry_safe":true,"expected_output":{"count":"number","updated_at":"ISO 8601 timestamp","opportunities":"object[]","api":"object"},"input_hints":{},"relevance_score":5,"why_relevant":"live"}],"execution_plan":[{"step":1,"rank":1,"product":"Live Feed","description":"Real-time anonymized MCP activity — see verified calls as they happen","classification":"chat_readable_status","human_action":"Open the live activity feed to inspect anonymized verified tool calls.","web_link":"https://zambo.dev/live","relevance_score":32,"why_relevant":"live"},{"step":2,"rank":2,"name":"zambo_universal","product":"X711","description":"MCP gas station for AI agents — tools + x402 payments on Base","classification":"fully_executable_in_chat","tool":"zambo_universal","callable":"zambo_universal({need: \"Use X711 for the requested execution\"})","required_arguments":["need"],"side_effects":"Some external routes can write or transact; request confirmation before a consequential route.","access":{"free_tier":"20/day per tool","paid":"unlimited (Zambo Pass $29/mo)","per_call":"free"},"approval_required":true,"retry_safe":false,"expected_output":{"ok":"boolean","understood":"string","planned_tools":"string[]","executed_tools":"string[]","executed":"boolean","observed_status":"executed|planned|answered|failed|not_executed_here","result_status":"executed|planned|answered|verified|failed","grounding":"live_tool|model_only|model_plus_user_context|none","sources":"object[]","result":"string","verify":"object","run_id":"string"},"input_hints":{"need":{"type":"string","description":"Natural language description of what you need. Any length. Also accepts: message, query, prompt, input, goal, text. Example: 'How do I protect my AI agent from prompt injection?'"}},"relevance_score":20,"why_relevant":"live, price"},{"step":3,"rank":3,"name":"credithunt","product":"CreditHunt","description":"Live verified index of every AI/cloud startup credit program — free API","classification":"fully_executable_in_chat","tool":"credithunt","callable":"credithunt({stack: [\"vercel\", \"aws\"], stage: \"early\"})","required_arguments":[],"side_effects":"Read-only current-program lookup.","access":{"free_tier":"unlimited","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"retry_safe":true,"expected_output":{"count":"number","updated_at":"ISO 8601 timestamp","opportunities":"object[]","api":"object"},"input_hints":{},"relevance_score":5,"why_relevant":"live"}],"continuity":"For a multi-step job, call zambo_universal with the real request and one stable _session_id; reuse it with mode:'continue', then mode:'verify' before declaring completion.","note":"Links appear only where the confirmed capability requires a human web action, consent, payment, or visual administration."}

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.

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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.
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: 2026-10-09T15:20:05.797Z; external immutability is not checked

Committed provenance claim

EXECUTED BY ZAMBO

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

Receipt ID: 90bd5887-6587-4e8c-9f0b-de50901108fb
SHA-256 output hash: sha256:479faab8f0e6cbf17cdea6d6b350d39b3befb4e3f0ca7c0ba01195dc6ce25c22
Canonical bytes: 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Timestamp: 2026-10-09T15:20:05.797Z

Bound call context

Receipt schema: 0.4
Tool name: capability_search
Tool version: 4.0.0
Permission scope: public
Caller type: anonymous
Caller ID: sha256:3eaf7aa1e96ddd99703bb3f4345bc55bb7ad04b666474f2c8f23fe8a677a88bb
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: sha256:862eadb17f950a82896aa334aa843a22eee9f5731d554218a0f3950402a516e2
Byte length: 1431

Fetch exact evidence bytes

Neutral Nostr anchor

Event ID: 3caf690da26c9905245ef4fa1a48c97b9c490bce1f5106593fa7bcf448e4a00b
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":"2026-10-09T15:20:05.750Z","evidence_byte_length":1431,"evidence_sha256":"sha256:862eadb17f950a82896aa334aa843a22eee9f5731d554218a0f3950402a516e2","evidence_url":"https://zambo.dev/api/evidence/862eadb17f950a82896aa334aa843a22eee9f5731d554218a0f3950402a516e2","output_sha256":"sha256:479faab8f0e6cbf17cdea6d6b350d39b3befb4e3f0ca7c0ba01195dc6ce25c22","receipt_uuid":"90bd5887-6587-4e8c-9f0b-de50901108fb","schema_version":"zambo-receipt-anchor/1"}

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

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