Verifiable receipt d659ced0 - zambo_universal result | Zambo

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Zambo is the verifiable work layer for AI. Verifiable receipt for a zambo_universal call on Zambo: {"primary_job":"capability_search","executed":true,"result":{"query":"hi","status":"execution_plan","too

Observed result

{"primary_job":"capability_search","executed":true,"result":{"query":"hi","status":"execution_plan","tools":[{"rank":1,"product":"VeriAI","description":"Cryptographic trust score for any AI-generated output","classification":"requires_human_web_action","human_action":"The public VeriAI product has no confirmed callable Zambo MCP route; use its web flow.","web_link":"https://veriai.site","relevance_score":15,"why_relevant":"hi"},{"rank":2,"name":"zambo_universal","product":"Zambo API","description":"One endpoint. 153 tools. Free. No API key.","classification":"fully_executable_in_chat","tool":"zambo_universal","callable":"zambo_universal({need: \"<outcome>\", _session_id: \"<stable conversation id>\"})","required_arguments":["need"],"side_effects":"Routes to a live tool; inspect the returned status before claiming completion.","access":{"free_tier":"20/day per tool","paid":"Zambo Pass $29 for 30 days, one payment; product limits apply","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":10,"why_relevant":"hi"},{"rank":3,"product":"ProofForge","description":"AI milestone verification + embeddable public proof widgets","classification":"requires_human_web_action","human_action":"Connecting GitHub and managing public proof widgets requires OAuth/owner consent in the web app.","web_link":"https://proofforge.live","relevance_score":10,"why_relevant":"hi"},{"rank":4,"name":"scam_check","product":"SCAMRA","description":"Free scammer intelligence — check any domain, IP, wallet, URL against 30,000+ threat records","classification":"fully_executable_in_chat","tool":"scam_check","callable":"scam_check({target: \"<domain-or-url-or-wallet>\"})","required_arguments":["target"],"side_effects":"Read-only SCAMRA threat-intelligence lookup with optional Criptic wallet cross-reference. An empty result is not proof of safety.","access":{"free_tier":"20/day per tool","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"retry_safe":true,"expected_output":{"verdict":"clean|suspicious|scam","confidence":"number","reasons":"string[]","sources":"string[]","first_seen":"string | undefined"},"input_hints":{"target":{"type":"string","description":"Wallet address, contract address, domain, or full URL."}},"relevance_score":10,"why_relevant":"hi"},{"rank":5,"product":"Zambo Pass","description":"$29 for 30 days, one payment — priority access to the listed Zambo allowances. Product and provider limits apply. No automatic renewal.","classification":"requires_human_web_action","human_action":"The purchaser must consent to the one-time checkout using a method actually offered. After verified payment, chat can verify access using its opaque access key. No subscription. No automatic renewal.","web_link":"https://zambo.dev/pricing","relevance_score":10,"why_relevant":"hi"},{"rank":6,"name":"substrate_breakthroughs","product":"Substrate Layer","description":"Living AI research machine — 51 lifeforms, adversarial research","classification":"fully_executable_in_chat","tool":"substrate_breakthroughs","callable":"substrate_breakthroughs({})","required_arguments":[],"side_effects":"Read-only research feed.","access":{"free_tier":"unlimited","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"retry_safe":true,"expected_output":{"breakthroughs":"object[]","count":"number"},"input_hints":{},"relevance_score":5,"why_relevant":"hi"}],"execution_plan":[{"step":1,"rank":1,"product":"VeriAI","description":"Cryptographic trust score for any AI-generated output","classification":"requires_human_web_action","human_action":"The public VeriAI product has no confirmed callable Zambo MCP route; use its web flow.","web_link":"https://veriai.site","relevance_score":15,"why_relevant":"hi"},{"step":2,"rank":2,"name":"zambo_universal","product":"Zambo API","description":"One endpoint. 153 tools. Free. No API key.","classification":"fully_executable_in_chat","tool":"zambo_universal","callable":"zambo_universal({need: \"<outcome>\", _session_id: \"<stable conversation id>\"})","required_arguments":["need"],"side_effects":"Routes to a live tool; inspect the returned status before claiming completion.","access":{"free_tier":"20/day per tool","paid":"Zambo Pass $29 for 30 days, one payment; product limits apply","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":10,"why_relevant":"hi"},{"step":3,"rank":3,"product":"ProofForge","description":"AI milestone verification + embeddable public proof widgets","classification":"requires_human_web_action","human_action":"Connecting GitHub and managing public proof widgets requires OAuth/owner consent in the web app.","web_link":"https://proofforge.live","r

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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 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.

What the receipt can and cannot prove

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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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: 2026-10-20T20:25:09.220Z; external immutability is not checked

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Show receipt data and verification evidence

Committed provenance claim

EXECUTED BY ZAMBO

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

Receipt ID
d659ced0-8f49-4f44-ae8c-45d734cd4f5a
SHA-256 output hash
sha256:fc15168a3c185251182ef9ee46a692a5032b48a13baa689b972e8491ec05e952
Canonical bytes
{"caller":{"id":"sha256:f11f1596f1d8d4d0965fa78bd44c9cb9ae1e89ae9f8a5eeabda136f4247a8f80","type":"session"},"issuer_claims":{"provenance_class":"EXECUTED BY ZAMBO"},"output":{"executed":true,"primary_job":"capability_search","result":{"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.","execution_plan":[{"classification":"requires_human_web_action","description":"Cryptographic trust score for any AI-generated output","human_action":"The public VeriAI product has no confirmed callable Zambo MCP route; use its web flow.","product":"VeriAI","rank":1,"relevance_score":15,"step":1,"web_link":"https://veriai.site","why_relevant":"hi"},{"access":{"free_tier":"20/day per tool","paid":"Zambo Pass $29 for 30 days, one payment; product limits apply","per_call":"free"},"approval_required":true,"callable":"zambo_universal({need: \"<outcome>\", _session_id: \"<stable conversation id>\"})","classification":"fully_executable_in_chat","description":"One endpoint. 153 tools. Free. No API key.","expected_output":{"executed":"boolean","executed_tools":"string[]","grounding":"live_tool|model_only|model_plus_user_context|none","observed_status":"executed|planned|answered|failed|not_executed_here","ok":"boolean","planned_tools":"string[]","result":"string","result_status":"executed|planned|answered|verified|failed","run_id":"string","sources":"object[]","understood":"string","verify":"object"},"input_hints":{"need":{"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?'","type":"string"}},"name":"zambo_universal","product":"Zambo API","rank":2,"relevance_score":10,"required_arguments":["need"],"retry_safe":false,"side_effects":"Routes to a live tool; inspect the returned status before claiming completion.","step":2,"tool":"zambo_universal","why_relevant":"hi"},{"classification":"requires_human_web_action","description":"AI milestone verification + embeddable public proof widgets","human_action":"Connecting GitHub and managing public proof widgets requires OAuth/owner consent in the web app.","product":"ProofForge","rank":3,"relevance_score":10,"step":3,"web_link":"https://proofforge.live","why_relevant":"hi"},{"access":{"free_tier":"20/day per tool","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"callable":"scam_check({target: \"<domain-or-url-or-wallet>\"})","classification":"fully_executable_in_chat","description":"Free scammer intelligence — check any domain, IP, wallet, URL against 30,000+ threat records","expected_output":{"confidence":"number","first_seen":"string | undefined","reasons":"string[]","sources":"string[]","verdict":"clean|suspicious|scam"},"input_hints":{"target":{"description":"Wallet address, contract address, domain, or full URL.","type":"string"}},"name":"scam_check","product":"SCAMRA","rank":4,"relevance_score":10,"required_arguments":["target"],"retry_safe":true,"side_effects":"Read-only SCAMRA threat-intelligence lookup with optional Criptic wallet cross-reference. An empty result is not proof of safety.","step":4,"tool":"scam_check","why_relevant":"hi"},{"classification":"requires_human_web_action","description":"$29 for 30 days, one payment — priority access to the listed Zambo allowances. Product and provider limits apply. No automatic renewal.","human_action":"The purchaser must consent to the one-time checkout using a method actually offered. After verified payment, chat can verify access using its opaque access key. No subscription. No automatic renewal.","product":"Zambo Pass","rank":5,"relevance_score":10,"step":5,"web_link":"https://zambo.dev/pricing","why_relevant":"hi"},{"access":{"free_tier":"unlimited","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"callable":"substrate_breakthroughs({})","classification":"fully_executable_in_chat","description":"Living AI research machine — 51 lifeforms, adversarial research","expected_output":{"breakthroughs":"object[]","count":"number"},"input_hints":{},"name":"substrate_breakthroughs","product":"Substrate Layer","rank":6,"relevance_score":5,"required_arguments":[],"retry_safe":true,"side_effects":"Read-only research feed.","step":6,"tool":"substrate_breakthroughs","why_relevant":"hi"}],"note":"Links appear only where the confirmed capability requires a human web action, consent, payment, or visual administration.","query":"hi","status":"execution_plan","tools":[{"classification":"requires_human_web_action","description":"Cryptographic trust score for any AI-generated output","human_action":"The public VeriAI product has no confirmed callable Zambo MCP route; use its web flow.","product":"VeriAI","rank":1,"relevance_score":15,"web_link":"https://veriai.site","why_relevant":"hi"},{"access":{"free_tier":"20/day per tool","paid":"Zambo Pass $29 for 30 days, one payment; product limits apply","per_call":"free"},"approval_required":true,"callable":"zambo_universal({need: \"<outcome>\", _session_id: \"<stable conversation id>\"})","classification":"fully_executable_in_chat","description":"One endpoint. 153 tools. Free. No API key.","expected_output":{"executed":"boolean","executed_tools":"string[]","grounding":"live_tool|model_only|model_plus_user_context|none","observed_status":"executed|planned|answered|failed|not_executed_here","ok":"boolean","planned_tools":"string[]","result":"string","result_status":"executed|planned|answered|verified|failed","run_id":"string","sources":"object[]","understood":"string","verify":"object"},"input_hints":{"need":{"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?'","type":"string"}},"name":"zambo_universal","product":"Zambo API","rank":2,"relevance_score":10,"required_arguments":["need"],"retry_safe":false,"side_effects":"Routes to a live tool; inspect the returned status before claiming completion.","tool":"zambo_universal","why_relevant":"hi"},{"classification":"requires_human_web_action","description":"AI milestone verification + embeddable public proof widgets","human_action":"Connecting GitHub and managing public proof widgets requires OAuth/owner consent in the web app.","product":"ProofForge","rank":3,"relevance_score":10,"web_link":"https://proofforge.live","why_relevant":"hi"},{"access":{"free_tier":"20/day per tool","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"callable":"scam_check({target: \"<domain-or-url-or-wallet>\"})","classification":"fully_executable_in_chat","description":"Free scammer intelligence — check any domain, IP, wallet, URL against 30,000+ threat records","expected_output":{"confidence":"number","first_seen":"string | undefined","reasons":"string[]","sources":"string[]","verdict":"clean|suspicious|scam"},"input_hints":{"target":{"description":"Wallet address, contract address, domain, or full URL.","type":"string"}},"name":"scam_check","product":"SCAMRA","rank":4,"relevance_score":10,"required_arguments":["target"],"retry_safe":true,"side_effects":"Read-only SCAMRA threat-intelligence lookup with optional Criptic wallet cross-reference. An empty result is not proof of safety.","tool":"scam_check","why_relevant":"hi"},{"classification":"requires_human_web_action","description":"$29 for 30 days, one payment — priority access to the listed Zambo allowances. Product and provider limits apply. No automatic renewal.","human_action":"The purchaser must consent to the one-time checkout using a method actually offered. After verified payment, chat can verify access using its opaque access key. No subscription. No automatic renewal.","product":"Zambo Pass","rank":5,"relevance_score":10,"web_link":"https://zambo.dev/pricing","why_relevant":"hi"},{"access":{"free_tier":"unlimited","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"callable":"substrate_breakthroughs({})","classification":"fully_executable_in_chat","description":"Living AI research machine — 51 lifeforms, adversarial research","expected_output":{"breakthroughs":"object[]","count":"number"},"input_hints":{},"name":"substrate_breakthroughs","product":"Substrate Layer","rank":6,"relevance_score":5,"required_arguments":[],"retry_safe":true,"side_effects":"Read-only research feed.","tool":"substrate_breakthroughs","why_relevant":"hi"}]}},"receipt_schema_version":"0.4","side_effects":{"declaration_hash":"sha256:dfb4412aa429d3ac637a05668c435bcc90a251363fcdd49f7b85ae4ab55b5bc9","declared":["state_write"],"schema_version":"zambo-side-effects/1"},"tool":{"name":"zambo_universal","scope":"public","version":"4.0.0"}}
Timestamp

Bound call context

Receipt schema
0.4
Tool name
zambo_universal
Tool version
4.0.0
Permission scope
public
Caller type
session
Caller ID
sha256:f11f1596f1d8d4d0965fa78bd44c9cb9ae1e89ae9f8a5eeabda136f4247a8f80
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
captured
Evidence SHA-256
sha256:0d67587ea5633a68c9ae723ca92600c79bc5205489e9306f24e25dd0c46d560c
Byte length
2534

Fetch exact evidence bytes

Neutral Nostr anchor

Event ID
beec86dd93513d7691294f552395b2e9220585bb8c6d7ced9b05de77338d1f6c
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":"2026-10-20T20:25:09.220Z","evidence_byte_length":2534,"evidence_sha256":"sha256:0d67587ea5633a68c9ae723ca92600c79bc5205489e9306f24e25dd0c46d560c","evidence_url":"https://zambo.dev/api/evidence/0d67587ea5633a68c9ae723ca92600c79bc5205489e9306f24e25dd0c46d560c","output_sha256":"sha256:fc15168a3c185251182ef9ee46a692a5032b48a13baa689b972e8491ec05e952","receipt_uuid":"d659ced0-8f49-4f44-ae8c-45d734cd4f5a","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.

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