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 - NEGROS ORIENTAL 1S Award a ₱9.5M contract to KOUKEN CONSTRUCTIONNational agencies

Transaction hash:
f6b0f2ffaeaaca9e19a643f9e044a6ab65926bb9f7171cdbf41c3aa34046132f
Status:
Included and unchanged
Block:
#4,008 2,005 blocks after it
Position in block:
Transaction 422 of 437
Award day:
Jan 28, 2020 (6 yrs 9 mo ago)
Value:
₱9,502,649.07
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 #4,008 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 2020 CSSP", i.e. the FY2020 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 2020-01-28.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 20HJ0054: 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 2020-09-27). 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   f6b0f2ffae…46132fnow      …
  2. 2. Block Merkle root changed
    stored   a92e1aca8f…f45ebenow      …
  3. 3. Block #4008 hash changed
    stored   25ff382826…7af622now      …
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 436 records. Each step hashes the current value together with the sibling shown.

  1. leaf  f6b0f2ffaeaaca9e19a643f9e044a6ab65926bb9f7171cdbf41c3aa34046132f
  2. 01 R f6fc8b7192b6a1f320057c4e42af96ac7f721cf143b20bca59a41f4ab34f9a6a
  3. 02 L cd117cc40903f1969dc30ccc4228ce3f50a98c6c6dd0fb4b8aaa16871fa56fc5
  4. 03 L 60a270a91a59bfcae8c29a9e81ee7924a12a944af0a670d221d18f8b7b2629b9
  5. 04 R 7e357f8b28ac6b54a0472e4c554a0f235c2049a6a41279727342de88314e5df1
  6. 05 R 8f0e06d525e5767101ab8de35e9f001f1902aaa390ab1dc06e4a66e805b5fdb9
  7. 06 L d00aeb48bf55b221056194779c83f0a4f061945a3aca19ba606fd741cf9d734a
  8. 07 R 87d0c8b2d2c24012c40051e22da6d8909e707da45b60e7be80a13d42e800e197
  9. 08 L 496deccc72d3fa08563c4c91316284dcec928354f6f925fbddea22cc74f08496
  10. 09 L f4d0cf611d5e9d2e879c940a5f0e69e7d4c21899321c9078aa2de2e9af4a3294
  11. root  a92e1aca8f9c34683f6d0bbe7b703d5895bd242dde1f8ed4d2b90912daf45ebe