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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 - REGION X Award a ₱2.6M contract to NJS CONSTRUCTION & SERVICESNational agencies

Transaction hash:
f9621f4cdc16ddba01ae2e25ea4d4dcf9f915cc4278d60cdcd8bab1561039e75
Status:
Included and unchanged
Block:
#3,842 2,171 blocks after it
Position in block:
Transaction 257 of 263
Award day:
Aug 8, 2019 (7 yrs 3 mo ago)

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 #3,842 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 2019 LP", i.e. the FY2019 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 - REGION X awarded it to NJS CONSTRUCTION & SERVICES on 2019-08-08.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 19K00373: 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 2019-12-06). 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   f9621f4cdc…039e75now      …
  2. 2. Block Merkle root changed
    stored   cd7c6b66c4…344e21now      …
  3. 3. Block #3842 hash changed
    stored   e74e9d5e8b…f797a5now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 262 records. Each step hashes the current value together with the sibling shown.

  1. leaf  f9621f4cdc16ddba01ae2e25ea4d4dcf9f915cc4278d60cdcd8bab1561039e75
  2. 01 L f9357cfe13d2e3896270dd0cf301557b015966b6043c9c65ed426f79d1d58384
  3. 02 R e10598d11f682a32a2dc4f0ca933560088b5c0d81923ec302daebdfbdfb78518
  4. 03 R 6097947aca9145985f64a654dbb44e84e3053c857c650e2c04386afc1e6f84d9
  5. 04 R e303e664dc2d81ae54e48854318e4d13e8f071428213b4a811a4a6695149db0c
  6. 05 R d05db57d7fe02b8aba3c29569c01ebd40c60a6163debe41c3c8504bca3f81075
  7. 06 R 8a827df7a3cc9c91a315c444e1107155353385bcd0f835eacd6365aa73367a4e
  8. 07 R 36b8d1a05cfb24de48dd178b26a94ee89639d4ba286c6f7f08dcbf0d08dc6368
  9. 08 R fba45868299755511bab3f9af057d854922d5b05b8af792e87ccb07fea234ed3
  10. 09 L f4802747f101d7539f8b25c51200c9dde5ac4a2b86491cb89b911bad37bc9c2f
  11. root  cd7c6b66c40c975e8e30a2704212e7d2e1b777a04c3db58c845fac7ff4344e21