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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 - CAGAYAN 1ST DEO Award a ₱9.9M contract to APS CONSTRUCTIONNational agencies

Transaction hash:
4c81fa3f2f96e6cbb770802e41db993033f047224377e9ea6015f9c1337a2426
Status:
Included and unchanged
Block:
#3,425 2,588 blocks after it
Position in block:
Transaction 298 of 988
Award day:
May 22, 2018 (8 yrs 5 mo ago)
Value:
₱9,874,977.11
Project:
Construction of Multi-Purpose Building

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 #3,425 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 2018 LP", i.e. the FY2018 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 - CAGAYAN 1ST DEO awarded it to APS CONSTRUCTION on 2018-05-22.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18BB0089: 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 2019-04-01). 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   4c81fa3f2f…7a2426now      …
  2. 2. Block Merkle root changed
    stored   afc2cd5390…19b960now      …
  3. 3. Block #3425 hash changed
    stored   6e5fbdae95…f0bbc0now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (10 steps)

How this one record is tied to the block's Merkle root, without needing the other 987 records. Each step hashes the current value together with the sibling shown.

  1. leaf  4c81fa3f2f96e6cbb770802e41db993033f047224377e9ea6015f9c1337a2426
  2. 01 R 4d1f7f2f39a9d56ceae82a5cd10e3f05835e7fe382a934827e0d1802e00e6fa7
  3. 02 L 79e3298a49232d9a8f0ab6f76f15cccbd19c2aa1ab5240233af8ccaa040dd501
  4. 03 R 8ebd821f10c919106668facd51a795255de3a3d86b2be8c25b2260c5d71c926e
  5. 04 L 50f0153202de90cbbc074fda5b6427d464616f5e3c507642211891d677cf9244
  6. 05 R d3509ac85c7cef49a0338024c4802d75928fe0659553d8573b641becd5cf761e
  7. 06 L 01f1a733143535eac41479c1a9bf2b849615d591084acbc865ac7810e4d79fd0
  8. 07 R 2cc971d2b2501e3e3d839ebd8f2b247c0016b64ae4c54c2e186805ddf2016605
  9. 08 R 9709b3598d289670575dd7d3dfc3b831bac771f1daff8a5790edb999d38bfc19
  10. 09 L 488378538a3a02a3ba7950e6e882651be89749fdace570dd7aa1eed6b63300e7
  11. 10 R 2b72762b7a0ac815490bc1fa1f7b6723846f01d6e899d2460baec47ca4fd300e
  12. root  afc2cd53900dc781e9fa8a2d8b4195cf4e813225eb7cee3f68b7bcb6f219b960