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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 - MAIN Award a ₱623.6M contract to QINGDAO CONSTRUCTION GROUP PHILIPPINE BRANCHNational agencies

Transaction hash:
141c1932b1e249f3f06d16911cfb79dc1f4035abb64dcce684508c9e6311c67e
Status:
Included and unchanged
Block:
#1,008 5,005 blocks after it
Position in block:
Transaction 1 of 9
Award day:
Nov 22, 2010 (15 yrs 11 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 #1,008 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)
    The award does not say which budget line pays for it.
    Not published
  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 - MAIN awarded it to QINGDAO CONSTRUCTION GROUP PHILIPPINE BRANCH on 2010-11-22.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    No matching DPWH contract record (only DPWH contracts are listed with progress).
    Not published
  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)
    No completion certificate published.
    Not published
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

1 of 8 documents found, 0 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   141c1932b1…11c67enow      …
  2. 2. Block Merkle root changed
    stored   d938497367…01f561now      …
  3. 3. Block #1008 hash changed
    stored   d87aa17f23…a3b1cbnow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (4 steps)

How this one record is tied to the block's Merkle root, without needing the other 8 records. Each step hashes the current value together with the sibling shown.

  1. leaf  141c1932b1e249f3f06d16911cfb79dc1f4035abb64dcce684508c9e6311c67e
  2. 01 L 03b467fe8766f06216f31da25adbc88c5cc7bacc7cb740c79d81a5088f6b64e8
  3. 02 R 42b1eee4ba5a04708c069e45f53bfe656b38cc427046e7a5c3270c7ba41aa938
  4. 03 R 187b812c678d0fffa2155907753a77b4581278ecf636821bd32c9a176d482db4
  5. 04 R 9b32b31d9e6ab13f9c2b4bddd9568bae3848747ccea8b45b9a9bd272dc4b8c5e
  6. root  d938497367987a2fb7d051be84f349fd3aa8ecff57f5ced730a561b37701f561