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 - LAOANG NORTHERN SA Award a ₱7.8M contract to CDU CONSTRUCTIONNational agencies

Transaction hash:
4929a77f7aa5eecc54b3ffec49329c3251a6a2d1b4e8f99b7a21c67e453e7556
Status:
Included and unchanged
Block:
#4,750 1,263 blocks after it
Position in block:
Transaction 296 of 1,061
Award day:
Mar 18, 2022 (4 yrs 7 mo ago)
Value:
₱7,779,255.54
Project:
21II0065, Construction of Multi-purpose Building

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 #4,750 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 2021 LP", i.e. the FY2021 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 - LAOANG NORTHERN SA awarded it to CDU CONSTRUCTION on 2022-03-18.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21II0065: 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 2022-09-25). 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   4929a77f7a…3e7556now      …
  2. 2. Block Merkle root changed
    stored   8d0e79a087…d0bb51now      …
  3. 3. Block #4750 hash changed
    stored   9787b2a173…350aa3now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (11 steps)

How this one record is tied to the block's Merkle root, without needing the other 1,060 records. Each step hashes the current value together with the sibling shown.

  1. leaf  4929a77f7aa5eecc54b3ffec49329c3251a6a2d1b4e8f99b7a21c67e453e7556
  2. 01 R 4998d6aabefff4e1cf1ce7ad611b193bf9be100b236d534a7b929ae3dd38924a
  3. 02 R d2039a05322c827980018ae3a4562ad35325445990816070cc9911a5acb3a422
  4. 03 R e4de204f609172c62ecfac007f1ecbd6ac5f2487a5374be816f9d4c58dc1d245
  5. 04 L d86f1d932c24759c68c3a5b3c7493be02fa064e2c7f8e080827953245bacc573
  6. 05 R a41600a84f21412aebb3982414dac677436e1dfafc58d6a08921a23ab56cfb42
  7. 06 L addac0cd62fe9ffdf63dd91640d13d939bf827367ea726b7f3a11abd12932b8b
  8. 07 R d1dc0a97bef9310a725ee643bc1f0c2915eefecfac1f096bd8c298ba634a012c
  9. 08 R 91f34ab04ca9a8c1efd731f96b08f18878f06d51eccbf8843248e7aa03143426
  10. 09 L 0e6282f2c255e3a69df387fb3438e93f695609f4dfc68973ba777b817265bcba
  11. 10 R f3531867551a15b5f8b57e06ede565523ef147e73d5aca2e2e430cdc9f9f9f22
  12. 11 R fc68fe2395e70e525a605c9c692b3ca2b48448d1aacf32c7e05715148fbf827f
  13. root  8d0e79a0874a46f41910b5d1f5c4b9578dba532a18e7f2a49d49a01703d0bb51