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 - 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
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 #5,341 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 - AREA CENTER IX awarded it to ZAMBOPEN CONSTRUCTION on 2023-11-25.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 36d1fca2bb…11d4bdnow …
- 2. Block Merkle root changedstored f4835930c3…4c132fnow …
- 3. Block #5341 hash changedstored 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.
- leaf 36d1fca2bb396425f2b2452c5d29e06771c0b75b04fb9045da0a3b928211d4bd
- 01 L 1ea46f2457e742e929abf1661c0d4a658e61ee6fdf7cd3fcbb30404fa33d23e8
- 02 R d1c8687ec65569c50212ce59d20eec551f0a5a310f4ed84ca6626f25a9623919
- root f4835930c3482fda478af8a7f2e78a90b0e2365c15e65221abb860fb144c132f