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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 - AREA CENTER IX Award a ₱1.2M contract to ZAMBOPEN CONSTRUCTIONNational agencies

Transaction hash:
36d1fca2bb396425f2b2452c5d29e06771c0b75b04fb9045da0a3b928211d4bd
Status:
Included and unchanged
Block:
#5,341 672 blocks after it
Position in block:
Transaction 1 of 4
Award day:
Nov 25, 2023 (2 yrs 11 mo ago)
Value:
₱1,197,578.28
Project:
General Repairs and Maintenance

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 #5,341 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 - AREA CENTER IX awarded it to ZAMBOPEN CONSTRUCTION on 2023-11-25.
    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   36d1fca2bb…11d4bdnow      …
  2. 2. Block Merkle root changed
    stored   f4835930c3…4c132fnow      …
  3. 3. Block #5341 hash changed
    stored   303b2cda65…4f247dnow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (2 steps)

How this one record is tied to the block's Merkle root, without needing the other 3 records. Each step hashes the current value together with the sibling shown.

  1. leaf  36d1fca2bb396425f2b2452c5d29e06771c0b75b04fb9045da0a3b928211d4bd
  2. 01 L 1ea46f2457e742e929abf1661c0d4a658e61ee6fdf7cd3fcbb30404fa33d23e8
  3. 02 R d1c8687ec65569c50212ce59d20eec551f0a5a310f4ed84ca6626f25a9623919
  4. root  f4835930c3482fda478af8a7f2e78a90b0e2365c15e65221abb860fb144c132f