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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 I Award a ₱83.3M contract to MBB CONSTRUCTION & SUPPLYNational agencies

Transaction hash:
b8f359df32e46ff55e9b46e91ebc44f382c56ec53bc8e5cb383c7d4010f81066
Status:
Included and unchanged
Block:
#3,026 2,987 blocks after it
Position in block:
Transaction 203 of 287
Award day:
Mar 24, 2017 (9 yrs 7 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 #3,026 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 - Bridges-Construction-With Bored Piles, Roads: Construction - PCCP". 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 I awarded it to MBB CONSTRUCTION & SUPPLY on 2017-03-24.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17A00039: 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 2018-05-20). 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   b8f359df32…f81066now      …
  2. 2. Block Merkle root changed
    stored   0246444c9e…9df94anow      …
  3. 3. Block #3026 hash changed
    stored   07673ca9fa…b94d56now      …
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 286 records. Each step hashes the current value together with the sibling shown.

  1. leaf  b8f359df32e46ff55e9b46e91ebc44f382c56ec53bc8e5cb383c7d4010f81066
  2. 01 L b7e87f8d7410430bebaee56d5bc29253293222cc801acdddae20514663eba59d
  3. 02 L 70bea571019da2df39491e3ebab03f686d44e36b6d30117dee417392251179ea
  4. 03 R e7758ee1bc0e2e9b19446c738d9d70925b66c79721b012db932c84e09f65689c
  5. 04 L f7c9d529a22c0d5c17412a5e4a3df657878e55f795b78e8531892203c93c76fc
  6. 05 R 849df95700d5a8e7b38d47ad2505dfefc9adc6c9fd5646721c790b4bc666d063
  7. 06 R 991c1448d13d5bf0d30dd7436568a45d4412e94756740f512c31838d2e4e86f2
  8. 07 L 0f2c8ddd2e959d70a1104b0652bfe917977842905afc20233239637e01066024
  9. 08 L cc8baff057cf9e0e8bd77a64ea76dc65fa546c99bfe82186dd4c7f30a52458cd
  10. 09 R 19fd2663f1b0b0af528646a2a4c8010c22eed00b33582c2cba167fe413e4f759
  11. root  0246444c9ec78263ae9f33e533b2f34b785d8d54cc5327239788916fd79df94a