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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 - NEGROS ORIENTAL 1S Award a ₱1.7M contract to NAKKA CONSTRUCTIONNational agencies

Transaction hash:
de01e4edbabb6a34439e86df868db15421221f6b4ec9ae0691d2c75a4fbc01cb
Status:
Included and unchanged
Block:
#3,565 2,448 blocks after it
Position in block:
Transaction 159 of 182
Award day:
Oct 18, 2018 (8 yrs ago)
Value:
₱1,717,707.48
Project:
Construction Project

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 #3,565 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 - NEGROS ORIENTAL 1S awarded it to NAKKA CONSTRUCTION on 2018-10-18.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18HJ0128: 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 2019-11-25). 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   de01e4edba…bc01cbnow      …
  2. 2. Block Merkle root changed
    stored   14bb1e10fb…f80710now      …
  3. 3. Block #3565 hash changed
    stored   e345f3329e…f03cbenow      …
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 181 records. Each step hashes the current value together with the sibling shown.

  1. leaf  de01e4edbabb6a34439e86df868db15421221f6b4ec9ae0691d2c75a4fbc01cb
  2. 01 L dd86b318ad3e20fe163923f0951ac4b9b53790c7a2ad16ef98f774cea25443c3
  3. 02 L 942259a6c1c99905902d0e33e302078e90513e9a4e7ba436946d6711c2f7708c
  4. 03 L 9680adf33d62cf9c65a9a46ef0a7165b206614a7a878e94a542db085af7299e8
  5. 04 L f1babd5913acb9f1642961e1277e5b26214285a6edf0c73ec0d36d6436439efa
  6. 05 L f8e2605c76f2404daeab0ef1f16e090560f51dfc260198f1d46cb71c28c588b7
  7. 06 R b66babeee5a96d83a0b26e6cc6b18f3961769830e9c385a49f779460d957335d
  8. 07 R 83eec73d750733595cf23d7fc4b04be50322aeedc5f00bb33571b03282df688f
  9. 08 L 08595dd4f540833930c9d0f9234c9ce31dffcc779a7e8cb0119a73953a441b1f
  10. root  14bb1e10fb1b6a506d42350eb0c759c04663cfe409e5e9aefdf14f2115f80710