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 - REGION X Award a ₱4.9M contract to AMSCON BUILDERS AND ENTERPRISESNational agencies

Transaction hash:
715adeb2eed2d2caa1fbc999cb59dc194e400e04c3a70cf5443ab75562c374ed
Status:
Included and unchanged
Block:
#3,455 2,558 blocks after it
Position in block:
Transaction 102 of 228
Award day:
Jun 21, 2018 (8 yrs 4 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 #3,455 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 - REGION X awarded it to AMSCON BUILDERS AND ENTERPRISES on 2018-06-21.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18K00285: 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 2020-05-24). 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   715adeb2ee…c374ednow      …
  2. 2. Block Merkle root changed
    stored   0ef3afd665…d5a63cnow      …
  3. 3. Block #3455 hash changed
    stored   258fdfab16…d44090now      …
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 227 records. Each step hashes the current value together with the sibling shown.

  1. leaf  715adeb2eed2d2caa1fbc999cb59dc194e400e04c3a70cf5443ab75562c374ed
  2. 01 R 71a933997b54e4c7fa6be462fcfb58ba8ba7dcfed02a4addcc85e2a0020a4ab4
  3. 02 L 73b62f76063b3973754293dd3d5d619b499b00cc87302836ef24da99bb85b5f4
  4. 03 L e6927a1e6471bf5b5de2605ff52214d9703964a975e58dcfa1ef481225daf3e9
  5. 04 R 37d7287f6740485bbbb560d8fda926ce86608ab8ef70f87f3df74157e6fb2677
  6. 05 R bab7e88e46cc9a48adb72c146e0ed52707d92b4e8b306b72e0706165794c6332
  7. 06 L aa0a6ccec72dc4c9fb6062f8aa296a11f8c305f88d67d480fa81ebb066366bc9
  8. 07 L 41dac0fc6cb0a460f85b853314ea9446f10d02bd93932035c6894e7c9415e151
  9. 08 R 5392c0a7ae3b7f4e6ff5ef7d1b3dd37445a47d95418fe13040e08d3ebee242b6
  10. root  0ef3afd66584e401c22c1a618948f178575784abcf52d06e7c9a713ed0d5a63c