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 - ILOILO CITY DEO Award a ₱3.1M contract to ALJ CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:
c90bc4d1db877181ceeabb75d5191b2ae62a0a81144a2bd2898ec79d97a2d3fd
Status:
Included and unchanged
Block:
#3,431 2,582 blocks after it
Position in block:
Transaction 452 of 584
Award day:
May 28, 2018 (8 yrs 5 mo ago)
Value:
₱3,099,135.55
Project:
CONSTRUCTION OF RAINWATER COLLECTION SYSTEM

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 #3,431 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 Other Infrastructure (CSSP)", 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 - ILOILO CITY DEO awarded it to ALJ CONSTRUCTION AND SUPPLY on 2018-05-28.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18GJ0133: 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 2018-08-06). 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   c90bc4d1db…a2d3fdnow      …
  2. 2. Block Merkle root changed
    stored   2753adc2f2…536918now      …
  3. 3. Block #3431 hash changed
    stored   5dcc71c047…a35a48now      …
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 583 records. Each step hashes the current value together with the sibling shown.

  1. leaf  c90bc4d1db877181ceeabb75d5191b2ae62a0a81144a2bd2898ec79d97a2d3fd
  2. 01 R c930b92ad98b7e57c27a79681b1908675974bd2342b8f1f87e3e25affd348297
  3. 02 R 762959fdd79fd84100bed364280cf68cf6081a70503f1b74e055d2d57b779c0a
  4. 03 L 4f285978a6d5a584ee086772908d281c1909e809ff7e25cce47bb61f49e24ab5
  5. 04 R acab00535db9762a435562eec1ec2f5ebcd55bc4b3314d90e8bbca3ab63bfbfc
  6. 05 R f6be30127b716bd1ec34421c8dfca714e4f0d34ed8dee97d08588f9a6a8aacf0
  7. 06 R 24419f13a78d9be262e0a7a7ab26433e758a7965f569a16fcda45c3fd5c1d84e
  8. 07 L c6a5056552698f5b4918847c9a568b0f0e2200e4a8483bb70a8ac6ab9436e5e9
  9. 08 L 7da90b8d9d91808d694fb3d4e214464628444d53e41f18d7ebf8780fdf6aef93
  10. 09 L f88cd83f163491021ef24fe9c92e356191458bf81f2b893d771a4ca4313b24b4
  11. 10 R db2e2fc389193d2a5fe3045644215065b634fae8ac86c18280ab1c85856e2884
  12. root  2753adc2f290ff953ecb48b8ac38d41b9fca84892f873f5a92a54ef142536918