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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

CIVIL AVIATION AUTHORITY OF THE PHILIPPINES Award a ₱3.4M contract to D & D ENGINEERING SERVICES,CO.National agencies

Transaction hash:
e2fdc4e5926437e25236f10df4cad7dc87344c6893a769b5a32fb94051d5d7e5
Status:
Included and unchanged
Block:
#5,385 628 blocks after it
Position in block:
Transaction 127 of 149
Award day:
Jan 12, 2024 (2 yrs 10 mo ago)
Value:
₱3,417,914.39
Project:
Emergency Waterproofing of CNS/ATM Roof Deck

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 #5,385 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)
    CIVIL AVIATION AUTHORITY OF THE PHILIPPINES awarded it to D & D ENGINEERING SERVICES,CO. on 2024-01-12.
    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   e2fdc4e592…d5d7e5now      …
  2. 2. Block Merkle root changed
    stored   8d15b2ff78…fc7af4now      …
  3. 3. Block #5385 hash changed
    stored   d6aa900afa…43ea3fnow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 148 records. Each step hashes the current value together with the sibling shown.

  1. leaf  e2fdc4e5926437e25236f10df4cad7dc87344c6893a769b5a32fb94051d5d7e5
  2. 01 L e08bbafc76e00b7af56890d6a5cfa224c1b2fcd98513a800f4d8a61b3fa8b0e0
  3. 02 L 808ed9b1aa0e13ea5f5a145e4f886b0879050875d1595bef145221ebbfebaaf9
  4. 03 L bf0ed326fa4a8dbff79f8793653cdb3d06e1c04119e2bc4b3a385c68fd9228be
  5. 04 L 67f032e3db54bdf8d3f44e8aac9db2c41cfe6a7b950f2794c8df7b5638aaaeee
  6. 05 L e5d19d5d4bdec7d28669dee5a7f43cb5d745f1bb4984f1b088cc1bf13f631f02
  7. 06 L 2f4396a7563619c5e029bf78a942adb79e9e24113b8ad0cf564cbacc2668aaea
  8. 07 L aec853ccb9dd3a7b9552469ab86a485107665173f39643b728d8d82152eeb9e9
  9. 08 R 9bfc4cb87b7da61fcf014981d5c0daa52b7d3f1b814ee964d8b96fd331a2d85e
  10. root  8d15b2ff7895260db80e391604458cd94f32130f1513cecf14ccb262adfc7af4