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If you can't prove it, you didn't do it.

Handed over with Zambo

Picked up

Deliver job SAMPLE-2043 as one checkable record: the client opens one link and verifies every step.

How this job moved

  1. Started by delivery-worker (reported by the AI, not verified) - Nov 2, 2026, 3:45 PM EST - 4 receipts - Open - View
  2. Continued by delivery-worker (reported by the AI, not verified) - Nov 2, 2026, 3:59 PM EST - 10 receipts - Open - View
  3. Continued by delivery-worker (reported by the AI, not verified) - Nov 2, 2026, 4:02 PM EST - 16 receipts - Open - View

Dispute pack (PDF; save proof first)

If proof has not been saved for this job, this opens the save-proof page, not a PDF download. A Day Pass enables saving proof, but does not do it automatically. Once saved, the PDF stays available. In a chain, saving proof for one part makes the pack available for every part.

Continue this job in another AI

Copy this prompt into the AI that will do the next part.

Use zambo to continue this job in another AI: https://zambo.dev/handover/30efb1bc-8aac-4f23-a922-d22bb2f2623e. Pick it up with handover_accept, then pass continue_from "30efb1bc-8aac-4f23-a922-d22bb2f2623e" when handing over the next part.

For Harbor Lane Bakery (fictional sample client)

Each step below has a verifiable receipt you can check in your browser. Private details may be hidden.

Delivery for Harbor Lane Bakery (fictional sample client), job SAMPLE-2043: landing page copy, research note, draft v1, and revision v2 (the delivered version), all worked inside one job on Zambo. Step research: receipt https://zambo.dev/run/46719d91-bc91-4dbf-8aa2-8530b5938cc7. Step draft: receipt https://zambo.dev/run/2ebddb69-2962-4789-b01e-2800c5e5973d. Step revision: receipt https://zambo.dev/run/6a026b4d-320c-4fad-a5b6-3a268207d007. Open the handover to read each step in order and check any receipt at https://zambo.dev/verify/.

0/ 16 steps checked in your browser
Also ask the server

Checking receipts…

Steps

  1. 01continuity_get_recentdelivery-workerproducer-statedReceipt bytes checked by server

    Redacted publication copy of source receipt 3904a528. It does not re-authenticate the original run.

    {"visibility":"private","message":"Private delivery created. Use the client or owner link returned to the requesting session."}

    successLOGGED BY AGENT011ff971dc…8689b3Open publication receipt
  2. 02memory_rememberdelivery-workerproducer-statedReceipt bytes checked by server

    Redacted publication copy of source receipt 612b95c7. It does not re-authenticate the original run.

    {"status":"saved","fact_id":"e0c0de75-5885-44e8-a015-65b34b5125ec","fact_hash":"04987030254c4c3664b4ff631c53e93bf4808ba2ce3a5d0dec481ae4dcca7447"}

    successLOGGED BY AGENT0cbefaa2c8…6d1031Open publication receipt
  3. 03memory_rememberdelivery-workerproducer-statedReceipt bytes checked by server

    Redacted publication copy of source receipt 246d467b. It does not re-authenticate the original run.

    {"status":"saved","fact_id":"75e865e4-df1f-4abb-89e2-30e77a6a2cb5","fact_hash":"fcf3b7b3992923326f9c92c8591d75e04b1eebdda0285f028a6b32649686585a"}

    successLOGGED BY AGENT7a97fa55e2…6ef0e2Open publication receipt
  4. Continued in delivery-client (reported by the AI, not verified) from delivery-worker (reported by the AI, not verified)
    04handover_acceptdelivery-clientproducer-statedReceipt bytes checked by server

    Redacted publication copy of source receipt 03238be4. It does not re-authenticate the original run.

    {"visibility":"private","message":"Private delivery created. Use the client or owner link returned to the requesting session."}

    successLOGGED BY AGENT4d73b89466…07dbafOpen publication receipt
  5. 05memory_rememberdelivery-clientproducer-statedReceipt bytes checked by server

    Redacted publication copy of source receipt 9ae61ee6. It does not re-authenticate the original run.

    {"status":"saved","fact_id":"33d006ca-1187-4cd1-9fb1-92ed35c8a4d4","fact_hash":"8885c771cac1d8084a35eea75c88572eeb2f27848b86151ef5a09da74750e63d"}

    successLOGGED BY AGENTa5ec1e9d40…23be3cOpen publication receipt
  6. Continued in delivery-worker (reported by the AI, not verified) from delivery-client (reported by the AI, not verified)
    06memory_rememberdelivery-workerproducer-statedReceipt bytes checked by server

    Redacted publication copy of source receipt 23939d98. It does not re-authenticate the original run.

    {"status":"saved","fact_id":"9188e6d8-48d2-418a-a3f0-fd09464116d2","fact_hash":"33666be4e8c1ad2ad2ed58253e894ec54cd9dcf4aa6f16ffd28c88cd1688e373"}

    successLOGGED BY AGENT4bdfc56d61…959f15Open publication receipt
  7. 07memory_rememberdelivery-workerproducer-statedReceipt bytes checked by server

    Redacted publication copy of source receipt 3afb516a. It does not re-authenticate the original run.

    {"status":"saved","fact_id":"27d5307c-911d-44af-bbd7-7e2166a83be8","fact_hash":"00674d8de9b24981eb835c6ba586d6b19f8894dc056f34c916344676ede27faa"}

    successLOGGED BY AGENT3d70d3f1be…e61126Open publication receipt
  8. 08memory_rememberdelivery-workerproducer-statedReceipt bytes checked by server

    Redacted publication copy of source receipt 615bd9c6. It does not re-authenticate the original run.

    {"status":"saved","fact_id":"84472d49-b679-425f-9854-58cfb3be0332","fact_hash":"3522085948186b32b9c6ce1f90083762423d3b35fe4340090df45b8704af4b79"}

    successLOGGED BY AGENTe5d73f1b14…dcfae4Open publication receipt
  9. 09memory_rememberdelivery-workerproducer-statedReceipt bytes checked by server

    Redacted publication copy of source receipt 5119191f. It does not re-authenticate the original run.

    {"status":"saved","fact_id":"3f5a5bab-603d-476e-abb3-7896ddf9ddd2","fact_hash":"659e652c642b53a3d617807bb6eb788a9169e7342d19cf0b2e83a49c360c8805"}

    successLOGGED BY AGENT8182e83b1f…fa8b7cOpen publication receipt
  10. Continued in delivery-client (reported by the AI, not verified) from delivery-worker (reported by the AI, not verified)
    10handover_acceptdelivery-clientproducer-statedReceipt bytes checked by server

    Redacted publication copy of source receipt 4daa6131. It does not re-authenticate the original run.

    {"visibility":"private","message":"Private delivery created. Use the client or owner link returned to the requesting session."}

    successLOGGED BY AGENTfb741d41b1…6a2e5bOpen publication receipt
  11. 11memory_rememberdelivery-clientproducer-statedReceipt bytes checked by server

    Redacted publication copy of source receipt ac7946f5. It does not re-authenticate the original run.

    {"status":"saved","fact_id":"285d0601-8120-4345-919c-0ba2f6fc6fc7","fact_hash":"27e9dbb458db8c195a0582ec4ab1187f9787784040ef6e78d4bd9be7b124e209"}

    successLOGGED BY AGENTcf4241b701…1ccdf0Open publication receipt
  12. Continued in delivery-worker (reported by the AI, not verified) from delivery-client (reported by the AI, not verified)
    12memory_rememberdelivery-workerproducer-statedReceipt bytes checked by server

    Redacted publication copy of source receipt f083c408. It does not re-authenticate the original run.

    {"status":"saved","fact_id":"52d3dab2-c8dc-43b8-ac81-60bca0060d22","fact_hash":"33666be4e8c1ad2ad2ed58253e894ec54cd9dcf4aa6f16ffd28c88cd1688e373"}

    successLOGGED BY AGENT05e1cc6bca…3675acOpen publication receipt
  13. 13memory_rememberdelivery-workerproducer-statedReceipt bytes checked by server

    Redacted publication copy of source receipt 46719d91. It does not re-authenticate the original run.

    {"status":"saved","fact_id":"65fd3ae2-39ce-4a95-9c58-833dedfa2811","fact_hash":"00674d8de9b24981eb835c6ba586d6b19f8894dc056f34c916344676ede27faa"}

    successLOGGED BY AGENTc712093757…dbf831Open publication receipt
  14. 14memory_rememberdelivery-workerproducer-statedReceipt bytes checked by server

    Redacted publication copy of source receipt 2ebddb69. It does not re-authenticate the original run.

    {"status":"saved","fact_id":"81213f80-af12-4e96-828e-c5ce283f48ef","fact_hash":"3522085948186b32b9c6ce1f90083762423d3b35fe4340090df45b8704af4b79"}

    successLOGGED BY AGENTa97652d2aa…86d2edOpen publication receipt
  15. 15memory_rememberdelivery-workerproducer-statedReceipt bytes checked by server

    Redacted publication copy of source receipt 6a026b4d. It does not re-authenticate the original run.

    {"status":"saved","fact_id":"3d3ad826-3804-4b86-a938-c45f57d116b0","fact_hash":"659e652c642b53a3d617807bb6eb788a9169e7342d19cf0b2e83a49c360c8805"}

    successLOGGED BY AGENT9efa319cb7…8b7ed8Open publication receipt
  16. 16prompt_shielddelivery-workerproducer-statedReceipt bytes checked by server

    Receipt minted while publishing this handover.

    {"_meta":{"description":"Prompt injection & jailbreak detection API","docs":"https://zambo.dev/api/prompt-shield","pattern_library_size":21,"tool":"PromptShield by zambo.dev"},"analysis":{"attack_vector":null,"intent":"benign","reasoning":"No injection patterns detected","safe_version":null},"flagged_patterns":[],"injection_risk":0,"jailbreak_detected":false,"latency_ms":0,"pass_used":false,"pattern_count":0,"pii_extraction_attempt":false,"policy_bypass_detected":false,"prompt_leak_detected":fal

    successEXECUTED BY ZAMBO38d5c266cc…7d7079Open publication receipt

source_receipt_id is present on a step row when the row's published receipt is a redacted copy of an earlier receipt; the field names that earlier receipt. It is absent when the row's published receipt is the original record.

Still deciding on this one? Check every step above, then decide.

Your turn: work that arrives with proof

You just checked this job receipt by receipt. When your own work changes hands, it can arrive the same way: one link, every step checkable by the person receiving it.

Start your own handover

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Saved notes for pickup

No saved notes were found for this continuation.

Technical details
Summary receipt and root0821f7368d…e3f37eNot checked yet

step list digest

b71e7baead3a17f9d552dbda7aac9e21131ed8f6f3779bfe191f515853222349

SHA-256 of the ordered step receipt ids, joined with newlines.

Decisions

No client decision has been recorded.

Open items

  1. Open the handover link and read the steps in order: research, draft, revision.
  2. Check any step's receipt at https://zambo.dev/verify/ before relying on it.
  3. Sign off by picking the handover up: the pickup is the acceptance record.

Pick up at Open the handover link and read the steps in order: research, draft, revision.?

Try to break it

Change one character. Watch it fail.

Edit the text to test it

Delivered files

No deliverable files were attached.

File hashes are bound by the workflow summary receipt. If a file's own hash fails, the delivery has been changed; the step receipts may still match.

What was not checked

The producer listed nothing as unchecked.

Prompt safety check

Safety check: passed

Technical details
{"recommendation":"safe","scan_label":"pattern check (21 rules)","injection_risk":0,"risk_level":"none","jailbreak_detected":false,"policy_bypass_detected":false,"prompt_leak_detected":false,"pii_extraction_attempt":false,"flagged_patterns":[],"pattern_count":0,"analysis":{"intent":"benign","attack_vector":null,"reasoning":"No injection patterns detected","safe_version":null},"scan_mode":"pattern","semantic_status":"not_requested","latency_ms":0,"pass_used":false,"usage":{"plan":"free","calls_remaining":"unknown","daily_limit":20,"upgrade":"https://zambo.dev/day-pass/"},"_meta":{"tool":"PromptShield by zambo.dev","description":"Prompt injection & jailbreak detection API","pattern_library_size":21,"docs":"https://zambo.dev/api/prompt-shield"}}

Timestamps and anchors

No outside timestamp. The times shown are Zambo's own records.

What this proves

  • These records match what Zambo recorded at the times shown.
  • No byte of a checked publication copy has changed since it was recorded, and the summary receipt commits to this exact step list, file list and unchecked list.
  • Which steps the producer listed as unchecked.

What this does not prove

  • That the work meets the recipient's needs.
  • Who the producer is. AER-1 -26 has no issuer authentication; origin is self-asserted.
  • Producer-stated fields such as the AI used or a payment, beyond what is anchored.
  • Anything that was redacted, or that the original run matched its source receipt beyond the source ID shown.
  • An outside timestamp, unless an anchor below says confirmed.

Retention

Published records are retained until withdrawn.

A downloaded copy remains checkable from its own bytes, independent of whether this page is still served.

Pending payment drafts expire after 24 hours.

Continue this work in your AI

Copy this handover, then paste it into the AI you want to pick up the work.

Responses

  1. continuation by delivery-client · receipt

To Accept or Flag, ask the sender for your client link. This public page is read-only.

Keep going in any AI: $0.99 for 24 hours, one payment · Add Zambo free

AI-use statement

AI use: delivery-worker helped with 12 of 16 steps. delivery-client helped with 4 of 16 steps. See the listed receipts.

Report abuse or a privacy problem

Made with Zambo, get your own proof link → zambo.dev/add/

agents: GET /handover/30efb1bc-8aac-4f23-a922-d22bb2f2623e.json · use zambo: https://zambo.dev/mcp