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 - CATANDUANES ED Award a ₱1.9M contract to NIDA BUILDER'S & SUPPLIESNational agencies

Transaction hash:
aa953067f04794d2b01e366acfa948d15532fbed8d404a6dcc9eb66e1cd9a56d
Status:
Included and unchanged
Block:
#3,386 2,627 blocks after it
Position in block:
Transaction 349 of 519
Award day:
Apr 10, 2018 (8 yrs 7 mo ago)
Value:
₱1,933,251.67
Project:
18FH0032 - CONSTRUCTION OF MULTI-PURPOSE BUILDING,

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 #3,386 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 - CATANDUANES ED awarded it to NIDA BUILDER'S & SUPPLIES on 2018-04-10.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18FH0032: 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 2018-10-05). 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   aa953067f0…d9a56dnow      …
  2. 2. Block Merkle root changed
    stored   18c334fd3b…ec66d5now      …
  3. 3. Block #3386 hash changed
    stored   a9bdea7a5c…33f710now      …
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 518 records. Each step hashes the current value together with the sibling shown.

  1. leaf  aa953067f04794d2b01e366acfa948d15532fbed8d404a6dcc9eb66e1cd9a56d
  2. 01 L aa81bf5ba42059897d0bde9a1477fdf705b39e9ff073f613576ab5e53a486bfc
  3. 02 R e123ce6a3f2cfa047c1df6fd44237e537aab638819091bef851874cda4f1d321
  4. 03 L 0065610d47b6b103c4e92121a4e529adb99aee750c0d6458e9576ea27191e9f7
  5. 04 L b61ebd2784695f198fd2a7005a3d4d19da730a7c8524eb9c0c61c0fd17305b6b
  6. 05 L da17804eaef122ed816425b8470e37f506f16a38f6c7e4130acb732bfc3c5857
  7. 06 R a384d7c0545315037dd80928cb3dfb08f64200bf991eb2d0c6749a21199a0dd5
  8. 07 L b25ba97076cfec65e789b8766dab53a829d3580cdcedc59f45eb22d7a404e047
  9. 08 R 668c066e127008ae1f11b6a321fd8f4a4f966f005e1f61ee732496dec18a6e80
  10. 09 L eebdf962b754251fcdfebf607eec81294b8b67cd04d411d512d6a17034ac1542
  11. 10 R 4a0867eaa0ac1a358376b41b41c60aa0c5377e21e4a05681c234e8485150fd22
  12. root  18c334fd3b00250884cffa58668e63e36ee5b0bf5fb9780980992fc2c0ec66d5