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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 - NEGROS ORIENTAL 1S Award a ₱1.9M contract to KOUKEN CONSTRUCTIONNational agencies

Transaction hash:
4ddb2c0d6512043cdce7951de1b71c90a0df5eb1a1e6aed2e395fcb99455811b
Status:
Included and unchanged
Block:
#3,108 2,905 blocks after it
Position in block:
Transaction 59 of 195
Award day:
Jun 19, 2017 (9 yrs 4 mo ago)
Value:
₱1,880,672.18
Project:
Construction Project

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 #3,108 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 2017 LFP", i.e. the FY2017 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 - NEGROS ORIENTAL 1S awarded it to KOUKEN CONSTRUCTION on 2017-06-19.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17RF0042: 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 2018-08-07). 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   4ddb2c0d65…55811bnow      …
  2. 2. Block Merkle root changed
    stored   cc911f0af3…70df01now      …
  3. 3. Block #3108 hash changed
    stored   4642140466…d3127fnow      …
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 194 records. Each step hashes the current value together with the sibling shown.

  1. leaf  4ddb2c0d6512043cdce7951de1b71c90a0df5eb1a1e6aed2e395fcb99455811b
  2. 01 L 4d5b56971096240ef553d68bd96993b6370a8673b73539191152128e126a9723
  3. 02 L 9c6d4d79eca4a6ef23b100d26055479534968d3e6fd44fccb69dea371a1b3a7b
  4. 03 R 10c1c128ba2be36f394441bf6535482de1dbf865534d365013ef905f3435d840
  5. 04 L 808dbb14ba48eabbb8607831c0a29680a11b8717129a359588466fe287fb9717
  6. 05 L 1571081cc3209080f11050fbb4bf4bd480ae2e992068f71edbe716fab5605e95
  7. 06 L a052c6f227b13450ec2ad13bee532b60d65ea177e690274390a82b8a04cc37b3
  8. 07 R 827c4251ad78abefc19c26a4095a922a6e69011acaa0cadf814a438d8d03885c
  9. 08 R a77582c2e60cd73729d38129ab295d89c3d67dd48eb62c4859c71af2c7b76b54
  10. root  cc911f0af3315d3ae612d4e68d95ac0ed6f81f4acb2a4e85a4dd427ea470df01