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 - DAVAO OCCIDENTAL D Award a ₱3.4M contract to JJHAK CONSTRUCTIONNational agencies

Transaction hash:
ff923f7fa8fc7a97dc9048c1065921910f174b023cb9e54889ef9c68f4a6d6ef
Status:
Included and unchanged
Block:
#4,446 1,567 blocks after it
Position in block:
Transaction 267 of 268
Award day:
May 10, 2021 (5 yrs 6 mo ago)
Value:
₱3,445,254.29
Project:
CID No. 21LE0102 CONSTRUCTION OF MULTI-PURPOSE BUI

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 #4,446 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 - DAVAO OCCIDENTAL D awarded it to JJHAK CONSTRUCTION on 2021-05-10.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21LE0102: 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 2021-08-17). 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   ff923f7fa8…a6d6efnow      …
  2. 2. Block Merkle root changed
    stored   ca47b08b70…6edfa9now      …
  3. 3. Block #4446 hash changed
    stored   8bfa83409a…9945banow      …
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 267 records. Each step hashes the current value together with the sibling shown.

  1. leaf  ff923f7fa8fc7a97dc9048c1065921910f174b023cb9e54889ef9c68f4a6d6ef
  2. 01 L ff900928e0a3c6f40c25ba728b0ea21b39caf6dc2e26500254dfe85b34d2ef22
  3. 02 L 63db394a06c99039a78e919a284333d3ed8c06362213c3d22e650c378e818da8
  4. 03 R 0a0219859b3cbcec370a772c763b0c22ffe8d989b9a61207886c7644bcad8c52
  5. 04 L c152abd683d8d113e0ae917d4e188cf24098f6620d44a2c18834524e4b708657
  6. 05 R b126fa45f4328812d46fabaf7e1e4cea450e832ec0d095ff69f2a4d7baab940d
  7. 06 R 435bee78cbc830ec1652f1b1e4685972b8721dc89ee7ee4c72e21f19de4c768a
  8. 07 R 099d47def00fef18b90b26bced386e7ead415962c601ad0b15a377c5d67b8598
  9. 08 R 4d146368bf64ad7ebc0f99af2361a4be27efa759ebeecda7f4668a11a14a69b7
  10. 09 L efcdfdb5958c4bb9505e0907426650f925fbee0ae5688f11be26a750ed460dcb
  11. root  ca47b08b70b0c2f337d83fe22022afeab21407910478ebf1dfee7639706edfa9