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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 - NORTH METRO MANILA Award a ₱2.9M contract to STAR WILLIAM CONSTRUCTIONNational agencies

Transaction hash:
efb61b89d78fa7d60e5c812bf62dcc6cfd1e05e11a9e875b453b943741170e74
Status:
Included and unchanged
Block:
#3,504 2,509 blocks after it
Position in block:
Transaction 198 of 211
Award day:
Aug 14, 2018 (8 yrs 3 mo ago)
Value:
₱2,874,870.23
Project:
Local Infrastructure Program

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 #3,504 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 - NORTH METRO MANILA awarded it to STAR WILLIAM CONSTRUCTION on 2018-08-14.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18OE0215: 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 2019-01-30). 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   efb61b89d7…170e74now      …
  2. 2. Block Merkle root changed
    stored   abed13eb23…dce410now      …
  3. 3. Block #3504 hash changed
    stored   410a10aef1…0581fbnow      …
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 210 records. Each step hashes the current value together with the sibling shown.

  1. leaf  efb61b89d78fa7d60e5c812bf62dcc6cfd1e05e11a9e875b453b943741170e74
  2. 01 R efea47f961b76ec616c329885ae2040fb0e85812fb930dab65983b6745b8fcb5
  3. 02 L 84be69f9f0399bfaa76a4f7e60f59fc398a2366bb08bac725fd0b58a26d7f1b8
  4. 03 L 1a4d5436c622c8cf0fdcc1a346552178faab051f6bf1f90bb3cff8b97a945549
  5. 04 R 1f34d258bbba14398220a17078b44a3b1b177ef62d905acc1951cc91c1de415b
  6. 05 R ced7a20bfd7a5aae89f10608929abc5a31476462a136675c7514a0159cdfc020
  7. 06 R d4dd46c9896f7682a05e1cd86c95efcd5706dc62928d32441ecc0a759b514602
  8. 07 L c20bdc1eb40097a36e8c95d798bb44b1d30cc81fb1630e795ab054a43750d9e0
  9. 08 L cb45510640af8a93f94d8b69ca9bce8b2708d40f866208968be174cd72cf410a
  10. root  abed13eb23e0ed7904ad301c7bc134f74451099a64d83347ff47e83785dce410