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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 TRANSPORTATION AND COMMUNICATIONS - MAIN Award a ₱28.8M contract to WILPER CONSTRUCTION, INCNational agencies

Transaction hash:
1e8b6819903cdf7ef7c80dca2a1190fe065642310b5a7bf5cfc369ab3e7319ed
Status:
Included and unchanged
Block:
#139 5,874 blocks after it
Position in block:
Transaction 1 of 7
Award day:
Jul 23, 2007 (19 yrs 3 mo ago)
Value:
₱28,833,800.83
Project:
M'LANG AIRPORT DEVELOPMENT 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 #139 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 TRANSPORTATION AND COMMUNICATIONS - MAIN awarded it to WILPER CONSTRUCTION, INC on 2007-07-23.
    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   1e8b681990…7319ednow      …
  2. 2. Block Merkle root changed
    stored   afa21f7092…ebd8b4now      …
  3. 3. Block #139 hash changed
    stored   792b6560da…1e4fa5now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (3 steps)

How this one record is tied to the block's Merkle root, without needing the other 6 records. Each step hashes the current value together with the sibling shown.

  1. leaf  1e8b6819903cdf7ef7c80dca2a1190fe065642310b5a7bf5cfc369ab3e7319ed
  2. 01 L 174fb5e798ddfd1f3fea0140a5437e856d631faa19283db4d0f1bf967c18a0d6
  3. 02 R e07b04e5fbe9cab69fb8f4354a2da161a6513efb49f60a6a95e133f5bd2517a8
  4. 03 R c6a5a9c9ed4220823a777f2f4384a21fbc8ac383c49f0b18098e9048a6f58729
  5. root  afa21f70923d4963fdc883f37619d92b2f8c3323da4017d0eacc3142dcebd8b4