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 - NORTH METRO MANILA Award a ₱28.7M contract to AARCON BUILDERSNational agencies

Transaction hash:
172bcd80689a3d21fcfbf9cabfa2edb6a42b400bd37b1678f56dd0958aead989
Status:
Included and unchanged
Block:
#4,009 2,004 blocks after it
Position in block:
Transaction 60 of 691
Award day:
Jan 29, 2020 (6 yrs 9 mo ago)
Value:
₱28,734,946.96
Project:
Construction Projects

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 #4,009 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 OO-2", 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 - NORTH METRO MANILA awarded it to AARCON BUILDERS on 2020-01-29.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 20OE0043: 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 2020-11-08). 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   172bcd8068…ead989now      …
  2. 2. Block Merkle root changed
    stored   3d2c2c54f3…03e74dnow      …
  3. 3. Block #4009 hash changed
    stored   ff9f5949e8…44574anow      …
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 690 records. Each step hashes the current value together with the sibling shown.

  1. leaf  172bcd80689a3d21fcfbf9cabfa2edb6a42b400bd37b1678f56dd0958aead989
  2. 01 R 1734bb412b5ea714a3f3d119cfe23bf7bbb9b1d4eee6d6b42837f5e3dacf7dfe
  3. 02 R e90656f4eb7a807c685d326804db938821421332e384a140a6222151963babfc
  4. 03 L 2dd2d29a4c2d97a228edc8895c828f7f7cbd56a8c696fdc0f223f9f87b100454
  5. 04 L d8cee4cf9a4920d2437512729d239ee3bc14571613fa027fd34c3a106db28682
  6. 05 L 9b7a9ea9f8858ce12e5f31e73c27d1879472687c4cf9e2787daa191c6820686b
  7. 06 L 3d8ebd8abc39bdc7900e399185062217efd5dbb5d691783a253dbf1aa5ba67ee
  8. 07 R c1432ae6e8c0f42640ae0b6fa7c154c5c418521cb070b6bcf2728d6c27d062f4
  9. 08 R 2eb0258954bea24de579ad6058533e32841b937fac788ae6a07b0a6f6c973034
  10. 09 R 6c1b3c331fe6ae0dc4a1b9b8ce8a951198e0a5c302a7bb97d6b4fd6ca417a03a
  11. 10 R cdf8e30f495f44a89bf23fbb36fe2aebed3ff13002eb2b9d27c3b46d40fd2605
  12. root  3d2c2c54f327c9f293356713398ed76f9410482aeffaa7e0b4e08e4b8603e74d