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 - ISABELA 4TH DEO Award a ₱4.8M contract to VBM CONSTRUCTION CORP.National agencies

Transaction hash:

a1576cd71aafa751a9043c2cb361f799b5ac4cfea1a4ca225ea6bae2e5420b8e

Status:

Included and unchanged

Block:

#5,973 40 blocks after it

Position in block:

Transaction 29 of 52

Award day:

Sep 25, 2025 (1 yr 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 4TH DEO

To:

VBM CONSTRUCTION CORP.

Value:

₱4,801,292.88

Project:

25BH0308

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 4TH DEO

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 #5,973 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)
The award does not say which budget line pays for it.
Not published
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 - ISABELA 4TH DEO awarded it to VBM CONSTRUCTION CORP. on 2025-09-25.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
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

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

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 a1576cd71a…420b8enow …
2. Block Merkle root changed
stored 3d95b609a5…031737now …
3. Block #5973 hash changed
stored 7e4953f5d7…2d9ea9now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 51 records. Each step hashes the current value together with the sibling shown.

leaf a1576cd71aafa751a9043c2cb361f799b5ac4cfea1a4ca225ea6bae2e5420b8e
01 L a04be74231867549ed3a0f14d874d606a3b0a010325a1e49aea3f913018cd360
02 R 369bf7abdef50ed3312f6758b916fd82e04dc1621871553884eed7823d9a260f
03 L bb1296124f082899f43238b041372b2e11bddef4721d09d019b45237bf56a846
04 L 9c72b0794d03e6bd6ed329544be33dcf1b3b66b2d2427d862339fd840387c7fa
05 L 279f887cdfecf39e419e3c001f0837b3497ddb4bcde9f1004c2d47f96d83ff8a
06 R ffff05682ebb2c4b0187fc975de9ad45ffeacba95b265bc12a5083394be86ee4
root 3d95b609a5bc3071e8d43dda4d1c64c3b5539a395d5e2f3063dacbfd3b031737