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Example with made-up data

Delivery record for the brand

Fictional Sodas · Summer caps

Campaign at the “Valley Fair” (made up). To earn the cap, each person left their email on a form; the system checked it.

Loaded500
Handed out462
Written off (damaged)6
Leftovers counted32

462 + 6 + 32 = 500: matches what was loaded.

Each handout

VoucherCondition metStationTimePhone
G7K2-M4Form, checked by the systemBooth 115:02Booth 1 · phone A
H3PQ-9XForm, checked by the systemBooth 115:04Booth 1 · phone A
K8TW-2DVisited three booths (stamps)Booth 215:11Booth 2 · phone B (offline)
M2RB-7FMarked by the promoterBooth 215:20Booth 2 · phone B (offline)

… and so on for each of the 462. Contact details only appear for those who agreed to share them with the brand.

Why you can trust it

  • Every cap came from a signed voucher: a handout can't be made up.
  • No one receives twice: the limit is counted per person and per phone.
  • When it's done, the delivery record is locked with a fingerprint: if anyone changes it, it shows.

Delivery record fingerprint (example): 3f9a…c41e

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