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
CITY GOVERNMENT OF LUCENA Award a ₱89.2K contract to N. Q. VILLAPANDO CONSTRUCTIONCities
Transaction hash:
fa892f8fe9bb3be23f8a9e754fcaa3af5bca50a3cdf21c62b680a0692e03ae25
Status:
Included and unchanged
Block:
#784 5,229 blocks after it
Position in block:
Transaction 29 of 31
Award day:
Jan 26, 2010 (16 yrs 9 mo ago)
Value:
₱89,200.03
Project:
Improvement of Perimeter Fence
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 #784 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)CITY GOVERNMENT OF LUCENA awarded it to N. Q. VILLAPANDO CONSTRUCTION on 2010-01-26.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)COA's CY2024 audit of City of Lucena gave a "unmodified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 fa892f8fe9…03ae25now …
- 2. Block Merkle root changedstored b25a870134…abb0ccnow …
- 3. Block #784 hash changedstored de4cbb5538…20d3e2now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 30 records. Each step hashes the current value together with the sibling shown.
- leaf fa892f8fe9bb3be23f8a9e754fcaa3af5bca50a3cdf21c62b680a0692e03ae25
- 01 L f5223ec9dfc7012bf922b4568c6d4a8473d352636290446bda35a1d2f4611bbe
- 02 R 4091b37094ef3a83bde884ccc070ea3a64877471ccb09cd0330c0fe19ff919ab
- 03 L abcf3df88fb32b271be90bbaebde4bffd18f0557c15a271d457c33c90034ec99
- 04 L 747248a027f04350af6201353fb71dbc73d5258550982f34e5474d998fb738f6
- 05 L eadb7e77cedc4f2a1a2b54192a6403bc617c83703fd102dff27a4bb7f3fd874f
- root b25a870134b7aff08385a7a1c832579d03283c04871827be0dd79ba818abb0cc