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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 - LA UNION 1ST ED Award a ₱1.9M contract to ARM ASIA CONSTRUCTION & ENGINEERINGNational agencies

Transaction hash:
409da01fe4767f2d73a7a4c76a1fb017bc33ffc0da58ebca94f707a4bd8a2e85
Status:
Included and unchanged
Block:
#2,734 3,279 blocks after it
Position in block:
Transaction 122 of 410
Award day:
May 11, 2016 (10 yrs 6 mo ago)

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 #2,734 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 2016 Locally Funded Projects", i.e. the FY2016 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 - LA UNION 1ST ED awarded it to ARM ASIA CONSTRUCTION & ENGINEERING on 2016-05-11.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 16AE0074: 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 2016-08-24). 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   409da01fe4…8a2e85now      …
  2. 2. Block Merkle root changed
    stored   c942200413…6934d9now      …
  3. 3. Block #2734 hash changed
    stored   966b71b16a…5d51e9now      …
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 409 records. Each step hashes the current value together with the sibling shown.

  1. leaf  409da01fe4767f2d73a7a4c76a1fb017bc33ffc0da58ebca94f707a4bd8a2e85
  2. 01 R 40cfe09299301335ed37508e654de69ca57f45e5317244637092cd079bb91d9b
  3. 02 L 4cdb84a2b61e83cc1fe6be2d9236958e62198b956c17eab55a44a6a081f54f15
  4. 03 R 6a4bd0ed1f50d02ac9297761ab16514a8ef6195e3630b7cee8b2fb33c48b8f9a
  5. 04 L 1faa933d2ac1090840c660e0f05c156436dfabc76ee9564dfaa0ecc91d22a953
  6. 05 L 56a4eb247c2945cbd58d37f175d1aa69edb145309ca5e9ea4ab6678c8e6b0b49
  7. 06 L 01dec888f6680e538c84e46c7faf906ebc7f3ffbab990a6cb7d2006ec36fbda5
  8. 07 L b3b0bb50944bfdcdd1ba4a9fadb9b8effa398bd4f4bba2a537ade520fea4e0af
  9. 08 R d5298de6ff7ba25b19ae4c71ff473e7fcce91c934e4d269efb94c7e3cf29c7b1
  10. 09 R 5e27645a681d9a5a33fb212563c0e078af50eddb1bd355d654b92c67fdfe7254
  11. root  c942200413e8265221b4ab85898323580fbe389d9aaf2cdf93ecf6566f6934d9