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 - BILIRAN ED Award a ₱14.4M contract to YOYEN ENTERPRISESNational agencies

Transaction hash:
9a83210761de5bcfe4e353909b3ae6a88d0f8cdaf0504114b3d46e422e6a3248
Status:
Included and unchanged
Block:
#3,777 2,236 blocks after it
Position in block:
Transaction 272 of 461
Award day:
May 31, 2019 (7 yrs 5 mo ago)
Value:
₱14,430,000.00
Project:
19IA0042 Construction of Kaulanguhan Flood Contro

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 #3,777 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 2019 OO-2", i.e. the FY2019 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 - BILIRAN ED awarded it to YOYEN ENTERPRISES on 2019-05-31.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 19IA0042: 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 2019-10-14). 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   9a83210761…6a3248now      …
  2. 2. Block Merkle root changed
    stored   e5f811acea…176436now      …
  3. 3. Block #3777 hash changed
    stored   850366fc6a…dd8029now      …
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 460 records. Each step hashes the current value together with the sibling shown.

  1. leaf  9a83210761de5bcfe4e353909b3ae6a88d0f8cdaf0504114b3d46e422e6a3248
  2. 01 R 9b2a970f3556da62fa89ca0745d8ed4c3bca60b6fcd8fde7cf156de69f193911
  3. 02 R 267350e06a0b3d1730beb1cdeafdfbda701bc2f5049360f59c97f21875783c9d
  4. 03 R 400730bc05dc64cac7154bfce318765adb6b4d478c0de93ae1068aa1f6e29e9a
  5. 04 R 8309773e4706093a2cb89faedc70e6b0e03f86b8ffee3b51cd05bce5d3f6e139
  6. 05 L d843a0d889907e68c3ec1459a19f059f7d505e9b96eb599d8b5a1160ac86c800
  7. 06 R bb1154de74d6df8cd7b3c8e41bb47f02b15ab7c2bea67557f12fb66afb69de5a
  8. 07 R 77694f59334fc994c79f9d2eadbc4f4fdb925a6bed3372cd0f0f507c60e51aff
  9. 08 R bdbe1472eb3e4421c415bb4eafc67ea545b9e1730f944ee29efd06a8ddbf97b9
  10. 09 L 6e0ac6428e32587d362cce669d2a2d9a3bbbcb81be3701034c31b0def533955f
  11. root  e5f811acead69472110adf1ce875d210cd58cadfc048bc69d829d5d537176436