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 ₱37.4M contract to YOYEN ENTERPRISESNational agencies

Transaction hash:
7e788d8da0e2e1ce6a5890fc5e4a2370bd5161451446b3926cb32135d607972f
Status:
Included and unchanged
Block:
#4,460 1,553 blocks after it
Position in block:
Transaction 139 of 243
Award day:
May 26, 2021 (5 yrs 5 mo ago)
Value:
₱37,350,000.00
Project:
Civil Works

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 #4,460 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 "Outside Infra - GAA 2021 NDRRMF", i.e. the FY2021 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 2021-05-26.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21IA0122: 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 2021-11-10). 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   7e788d8da0…07972fnow      …
  2. 2. Block Merkle root changed
    stored   acd68b91e7…c471a0now      …
  3. 3. Block #4460 hash changed
    stored   3c3c14ec64…8e6e09now      …
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 242 records. Each step hashes the current value together with the sibling shown.

  1. leaf  7e788d8da0e2e1ce6a5890fc5e4a2370bd5161451446b3926cb32135d607972f
  2. 01 L 7e6265c20197a1b4c6a6c3f7d591fd1901ee863735cc052a0401b8f6d6e072cc
  3. 02 L 0444f744e5943e969e54b9e18df51fb21fc68bdaa45058e2edaa33fbc3b37188
  4. 03 R 77fcbf6eba042fba560e792a3279d4d3e5073faa586060bc5d1eea95d52d5933
  5. 04 L f7e1a383696b3bdf9193903cccde17a9df6e4c325f65ffd25948da8a835164c7
  6. 05 R fcf6eecc1aff8acd41099d2886775f310db8c23d4855d3e35a59fd411cda5a9d
  7. 06 R ce511ac1cce2984c5aa78011fd9c32fc9cbffcf874dc7e6acf63f2b323ac1c53
  8. 07 R 3035ef5e7acadb23804edb26221f5aca5c109d0f234379978843c7f8ae908dd7
  9. 08 L ca9cbdcc2d2542da70e619395e081f3c54aeeef7b646f7a53546d2d523e30208
  10. root  acd68b91e7048ae8ca383d0ac4741e0620f5941977370d1a4ea4317b83c471a0