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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 - METRO MANILA 2ND D Award a ₱83.4M contract to E.F. CHUA CONSTRUCTION, INC.National agencies

Transaction hash:
f7e34d2608c8e6a7a6db030ffe19eb6ee7802b11aa5ace2768c864e0141b6652
Status:
Included and unchanged
Block:
#4,714 1,299 blocks after it
Position in block:
Transaction 582 of 602
Award day:
Feb 9, 2022 (4 yrs 9 mo ago)
Value:
₱83,353,654.43
Project:
Construction of Revetment Wall

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 #4,714 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 2022 OO-2", i.e. the FY2022 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 - METRO MANILA 2ND D awarded it to E.F. CHUA CONSTRUCTION, INC. on 2022-02-09.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 22OC0007: 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 2022-11-13). 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   f7e34d2608…1b6652now      …
  2. 2. Block Merkle root changed
    stored   7f1c034012…8c643fnow      …
  3. 3. Block #4714 hash changed
    stored   5d9b8cfe68…1acc41now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (10 steps)

How this one record is tied to the block's Merkle root, without needing the other 601 records. Each step hashes the current value together with the sibling shown.

  1. leaf  f7e34d2608c8e6a7a6db030ffe19eb6ee7802b11aa5ace2768c864e0141b6652
  2. 01 R f936b80fd541842644a23399cb29fed43bb0ac84f8aff58f3c0e0562920ab75b
  3. 02 L 6d9f01814374c5fd870c86c80edbc8066f514a80d672fd67a4c21b057fb25cfe
  4. 03 L 015f8e6a027012bdd5e05ce6e21602f94e9975c36a68f3f4ded96bd70811c373
  5. 04 R a8a8d57981398e0f7c6bffdee803ac59c8393d8dd053a2cb3da7b0650b3264c7
  6. 05 R 96e52136fa7de836b3bc25050b909b3adcbc4766ed45aa02f378f500f3880598
  7. 06 R 4fe2c742ed7304a2825eceab9b0ec17d6ab38b30cbc0fa3bfb871e165c3b964a
  8. 07 L 3bc96f8fa65c40962c344468eae935ea58ac226b18d72d6f1feb6baba3780727
  9. 08 R 704b8618f53f97e7c618349bdb10b079e8c41862b32a93774eaa8cb9606369e0
  10. 09 R 7bb20473f1bcb73317a65bcf1eecbd641843b005cbb6f960becb8b3ced7027a1
  11. 10 L 873cd2ec027e7719ed8d9b8b720c1c0c1d2f69daa10733e94f2a17c5db9496a8
  12. root  7f1c034012f45bdb9b7b814b85bd3fcab23ffebd269ba1a28fbfdd4b6c8c643f