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
APITransaction action
CIVIL AVIATION AUTHORITY OF THE PHILIPPINES Award a ₱9.1M contract to FAAA CONSTRUCTION AND TRADINGNational agencies
Transaction hash:
4531cf5f58792d04d4e112303268004d207d999cb684b98e21a9d0b7c2c71d7d
Status:
Included and unchanged
Block:
#5,932 81 blocks after it
Position in block:
Transaction 49 of 199
Award day:
Aug 9, 2025 (1 yr 3 mo ago)
Value:
₱9,052,543.55
Project:
25-41-06 ALPHA CONSTRUCTION OF PERIMETER FENCE AT
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
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 #5,932 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)CIVIL AVIATION AUTHORITY OF THE PHILIPPINES awarded it to FAAA CONSTRUCTION AND TRADING on 2025-08-09.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA 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
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored 4531cf5f58…c71d7dnow …
- 2. Block Merkle root changedstored 3e5d941a15…179864now …
- 3. Block #5932 hash changedstored 88b637710d…867d90now …
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 198 records. Each step hashes the current value together with the sibling shown.
- leaf 4531cf5f58792d04d4e112303268004d207d999cb684b98e21a9d0b7c2c71d7d
- 01 L 441ac589325e65ed384ebd07ca0fcd85ebc2097d46fb3fec37f57c947eb45e5c
- 02 R 7c20145bc96d7cbd8f6e7273416abf34bfe06eb08ce552d1263c17a00f054a5c
- 03 R 1810b37ae7344ea89efbd535a3c51fc9be43478443ad85d50f05e09596c75a9e
- 04 R 2b43ed335975ad62423af7c98ae25591cf47fc068ce8e803777dbb358f6f4f8e
- 05 L c26a430ab6e7b0fbd15b1b3c37663928f7678f73c307b60c4eeb8d32fded1e3e
- 06 L e423136c3f9e453df6d956ac98e0b7a9dd13b04f2a29727358e1a9d58fac255c
- 07 R e1ab87ee2bb69fb5ce0debe87e2d99b3b42d3af22da67eb26b4376475395974f
- 08 R 072fb37bed741c568e22e44eef708bf0c0ac90ee1b4661633d00714d13f68ff9
- root 3e5d941a154d6cde667ca8687f46b97166c2c0a481a8bc2bb74fac14d6179864