KolWal
Request access

Traceability

A signed trail behind every degree.

KolWal stamps every batch and every packet with a GS1-compliant barcode. The events behind that code — temperature, custody, door dwell, last mile — are written once, cryptographically, and made available to your customers.

Sample trail

Batch BX-77·211

  1. 08:12 · Factory · Hyderabad PK

    Batch born

    GS1 stamp BX-77·211 applied to 1,820 units

    +4.1°C
  2. 09:40 · Cold-in · Karachi DC

    Receipt scan

    Room R-12 assigned, baseline locked

    +3.8°C
  3. 14:02 · Reefer KW-RF-204

    Dispatch

    Multi-temp envelope, 18 sensors armed

    +2.4°C
  4. 19:46 · M-9 Motorway, KM 412

    Telemetry

    Door event 00:22s — within tolerance

    +2.6°C
  5. 04:18 · Lahore DC

    Cross-dock

    Custody signed, lot split across 6 routes

    +3.1°C
  6. 07:05 · EV-LM-088

    Last mile

    Insulated tote · 14 merchant stops

    +3.4°C
  7. 08:22 · Merchant · Gulberg, Lahore

    Arrival scan

    Proof-of-cold delivered to merchant app

    +3.6°C

For consumers

QR on the pack. Truth in the hand.

Shoppers scan the pack and see the journey of that exact unit — farm or factory of origin, temperature envelope, time on shelf. Trust, made measurable.

kolwal.app/t/BX-77-211