Skip to content
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 - PAMPANGA 2ND DEO Award a ₱1.9M contract to GRAY ONYX BUILDERS CO.National agencies

Transaction hash:
2f358caf516c8a1859c06ef9bc73fe0481fe0fb767196ab8248d8592b3ed83d1
Status:
Included and unchanged
Block:
#4,500 1,513 blocks after it
Position in block:
Transaction 32 of 174
Award day:
Jul 6, 2021 (5 yrs 4 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 #4,500 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 - GAA 2021 LP", i.e. the FY2021 GAA. 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 - PAMPANGA 2ND DEO awarded it to GRAY ONYX BUILDERS CO. on 2021-07-06.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21CH0113: 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 2021-09-23). 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   2f358caf51…ed83d1now      …
  2. 2. Block Merkle root changed
    stored   089a899bec…3594bbnow      …
  3. 3. Block #4500 hash changed
    stored   9230b02b0b…bda779now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 173 records. Each step hashes the current value together with the sibling shown.

  1. leaf  2f358caf516c8a1859c06ef9bc73fe0481fe0fb767196ab8248d8592b3ed83d1
  2. 01 R 2ff49063c0b453813179bdb438aa84d47e5082cfb05233f67ba5f70826d2f02f
  3. 02 R 86badff183e0f3285c07a2709238fd1d9452cc9cee5bfa55e6672d7e635b0c52
  4. 03 R 78b560be63b3530cc4e3d7714056a851e5707d365603e1a8c7b51f3931927daa
  5. 04 R 2990875408f322ac25179cef9c5fe608afdab2ae3c7ed226aa77f0992a102666
  6. 05 R 8c0c5b56df4f0ec0b1c860f6bbb7915df5278b72079e69539592001f7f8d13e0
  7. 06 L 953f2485bc882703fceabcf870e50605a979d6084986aae7c93f5736495a0f8f
  8. 07 R 7dd9a7c3948b99959f59f8bb4859e44e47300843326492e2be4f6ad2046eb701
  9. 08 R 022f329df368d3333c51f325463742cd618714ff89c27df29afd753c2bcdf6f5
  10. root  089a899bec3c95f3bf3df38e110ebf861e2aea108356de23d1e9b880643594bb