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

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS NORTE 1ST D Award a ₱4.8M contract to ALTHEA CONSTRUCTIONNational agencies

Transaction hash:

abcc08071b83de304ac09ad98954a4fb70302affceb8416afe990eecfdc91c96

Status:

Included and unchanged

Block:

#5,790 223 blocks after it

Position in block:

Transaction 46 of 75

Award day:

Mar 4, 2025 (1 yr 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS NORTE 1ST D

To:

ALTHEA CONSTRUCTION

Value:

₱4,753,449.93

Project:

25AA0323

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS NORTE 1ST D

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 #5,790 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5

1. Appropriation
GAA line item · Sec. 5(b)
DPWH lists the funding source as "Regular Infra - GAA 2025 SSP", i.e. the FY2025 GAA. The exact UACS line is not given.
Partly
Open
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. Cash allocation
Notice of Cash Allocation · Sec. 5(c)(iv)
Not published per project.
Not published
4. Contract award
Notice of Award (PhilGEPS) · Sec. 5(d)
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS NORTE 1ST D awarded it to ALTHEA CONSTRUCTION on 2025-03-04.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 25AA0323: On-Going, 42.7% physical progress.
Found
Open
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. Completion
Certificate of completion · Sec. 5(d)
No completion certificate published.
Not published
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 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

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

Contract amount (₱)

1. Record fingerprint changed
stored abcc08071b…c91c96now …
2. Block Merkle root changed
stored b48664fcc0…4f0ca8now …
3. Block #5790 hash changed
stored bd2229db5e…97044enow …

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 74 records. Each step hashes the current value together with the sibling shown.

leaf abcc08071b83de304ac09ad98954a4fb70302affceb8416afe990eecfdc91c96
01 R b017a58ca9630f370d0f9930e101e0f482253810d3950153d40e16c3cb188a8d
02 L e9ca5a9e8ddf77e514f829819a71747932d1388a27fb90290835d4a1b8255cd2
03 L 23e24663b0e99efd6b6c0ce114daa3e1c4a536c52d3db68e697700113d0f7204
04 L 79d3f41df42bd7044de3ddfff3ffd608193e75959624b1a3e8b62c11d3f80bc1
05 R da44d0c4c46f8841fdd3e90bb44a46fa0b3b59a1014b1a34226a6f213943046d
06 L 08cfd86176992ca873d0c5f6bc5e42315fc00b708e43e77ad46b8c9f894c9e75
07 R b4509f9b5eeada31b956685550ae12be4f81f0c139ac3fa41aeebead196a2067
root b48664fcc062d9f85ec777c6bffe9f935b546d7bcdcc2d80c6c66c8a584f0ca8