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FY2026 GAA: ₱6.79T
PisoScan
DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works

Transaction details

API
Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO CITY DEO Award a ₱23.4M contract to ALZAM ENTERPRISES INCORPORATEDNational agencies

Transaction hash:
12ffd9477badd44fa5edc57c24dc618ea73dae11c974ea0403f03079ed882b81
Status:
Included and unchanged
Block:
#3,714 2,299 blocks after it
Position in block:
Transaction 28 of 374
Award day:
Mar 21, 2019 (7 yrs 7 mo ago)

Accountability

Bill Sec. 3 and 19
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #3,714 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5
  1. 1. Appropriation
    GAA line item · Sec. 5(b)
    DPWH lists the funding source as "Regular Infra - Support for Infrastructure Projects and Social Program 2018". The exact UACS line is not given.
    Partly
  2. 2. Allotment release
    SARO / allotment · Sec. 5(c)(iii)
    Not published per project. DBM releases SAROs, but not linked to individual contracts.
    Not published
  3. 3. Cash allocation
    Notice of Cash Allocation · Sec. 5(c)(iv)
    Not published per project.
    Not published
  4. 4. Contract award
    Notice of Award (PhilGEPS) · Sec. 5(d)
    DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO CITY DEO awarded it to ALZAM ENTERPRISES INCORPORATED on 2019-03-21.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18LB0302: Completed, 100% physical progress.
    Found
  6. 6. Payment
    Disbursement voucher · Sec. 5(c)(viii)
    Not published. No public source shows how much of this contract has been paid.
    Not published
  7. 7. Completion
    Certificate of completion · Sec. 5(d)
    DPWH marks the contract "Completed" (end 2019-12-18). The certificate itself is not published.
    Partly
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

2 of 8 documents found, 2 partly. Under CADENA every step would be published within 7 working days and linked to this record.

Tamper test: try changing this record

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

  1. 1. Record fingerprint changed
    stored   12ffd9477b…882b81now      …
  2. 2. Block Merkle root changed
    stored   3e05428ba1…46e44anow      …
  3. 3. Block #3714 hash changed
    stored   efcf15ceb9…9b1df0now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 373 records. Each step hashes the current value together with the sibling shown.

  1. leaf  12ffd9477badd44fa5edc57c24dc618ea73dae11c974ea0403f03079ed882b81
  2. 01 R 135d0b0abad2439bd12761663978ea63846b0638393ee21269e1b30cae71f845
  3. 02 R eedb64b45aa8ee8507c288ef0e1f754e7ec6d3050bbf942729902360b15b494e
  4. 03 L 813b5a85fa96bb03983bf182604fb307e25919bd8653d5fcecac27cbe03c65e5
  5. 04 L d14f38e7c4ae100e2a665b8b0026894b680e77a23962c01aeb3fc84ab86791e0
  6. 05 L 604effaddcc3b01d39558d8925716c5f365b39900b0132a5fec53b5526ee1058
  7. 06 R f0f1f1e28d18b256004ac433e63fa80d385a3f6c3172b845b2e0ac69e15c5f7b
  8. 07 R 8a3e129066a07d18116f53c30585a2542742ea5df46d0a9a214dbb16b2f73a21
  9. 08 R ca6625a480b0992aaca9e79e59d8dbb8a31e4ddd37a369f85ed6401bcad6a104
  10. 09 R 948e2cc0f11d6f4ccab6878a6aea6eb6d44c35421ccb92074a706526dba504f7
  11. root  3e05428ba106a6d875eaceefbb1ee324ef5dee994163b87fac7d82ac3d46e44a