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 ₱281.4K contract to C.D. VALBUENA CONSTRUCTIONCities
Transaction hash:
a8dce3bdc242d4b4272e6ffd953463e87c0ec6477507a6116d5ae116a21f0018
Status:
Included and unchanged
Block:
#335 5,678 blocks after it
Position in block:
Transaction 65 of 94
Award day:
May 9, 2008 (18 yrs 6 mo ago)
Value:
₱281,363.41
Project:
Repair of DAR and PLEB Offices ,C.M. Recto & P. Gomez Streets, Lucena City
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 #335 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 C.D. VALBUENA CONSTRUCTION on 2008-05-09.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)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 a8dce3bdc2…1f0018now …
- 2. Block Merkle root changedstored bc5d4f627f…7cb384now …
- 3. Block #335 hash changedstored 84ef13cac9…9b0834now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 93 records. Each step hashes the current value together with the sibling shown.
- leaf a8dce3bdc242d4b4272e6ffd953463e87c0ec6477507a6116d5ae116a21f0018
- 01 L a8bf422e2296cac5f4889cc2fce9c0168353d231a0a7424de88acb7f494ba7a8
- 02 R f1f500ad6ab63bdfc83e251e3669d98f7400f9824c15c25279a8f4a35cee2552
- 03 R fb57417097bc073f7e4aea20b4316a446cd207878e7136612180accc1efca192
- 04 R ade4384711cc13a673bc66b69d8ae28d93bc237bf9d759bee6fdc6d3d0a5778c
- 05 R e35e93633478454b85e4b0e813fdc62910601d84c0025043977e03892ca76392
- 06 R 82a81864e2ceca44a2c9acaf72a9b4371a13747ac7284115d2951be2a2544d49
- 07 L 5ebe6d6a90b70d02cdc58d96bf34824411c25bf82c1752c0a1e09435bd97a01c
- root bc5d4f627f1a8ee0c277d638e73d0ea61937facec41716f6d9332e12697cb384