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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 - BULACAN 2ND DEO Award a ₱1.9M contract to SANTIAGO-GALVAN CONSTRUCTIONNational agencies

Transaction hash:
c5ab291671ff9ca03e04bf633570fd62d7ba49a44acb9962d9508dc39dfaf79a
Status:
Included and unchanged
Block:
#3,371 2,642 blocks after it
Position in block:
Transaction 16 of 21
Award day:
Mar 24, 2018 (8 yrs 7 mo ago)
Value:
₱1,917,176.75
Project:
18CD0169 Rehabilitation of Road, Barangay Gabihan

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 #3,371 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 - BULACAN 2ND DEO awarded it to SANTIAGO-GALVAN CONSTRUCTION on 2018-03-24.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18CD0169: 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 2018-05-08). 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   c5ab291671…faf79anow      …
  2. 2. Block Merkle root changed
    stored   fb71429dd9…8e2f30now      …
  3. 3. Block #3371 hash changed
    stored   8383faa6ac…27dec0now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 20 records. Each step hashes the current value together with the sibling shown.

  1. leaf  c5ab291671ff9ca03e04bf633570fd62d7ba49a44acb9962d9508dc39dfaf79a
  2. 01 R d7da48e444c92d74db31b227f3721f42df5d18ea34493f3fefa751537f51e4b4
  3. 02 R 12a5fafcc56954bad96e66a0a4a2bd41628cf2799b58f65d58859300a9bb0b16
  4. 03 R aef9cdb9ab629cd87b1ec46f74ab5b4155336588ab5e577fa6f999fa6c0ce258
  5. 04 R 602fda59dbbfbbcf39fc0133019266f57e6a17ab2d655009a4dc22ffb0b5c2a8
  6. 05 L 01d3a0605b35d4aad2ae103342f8652444ed920543aefef4084bd6efd1ae9ea6
  7. root  fb71429dd91ef82e6f049f1a367454764d9f0b055fd737391c652236d08e2f30