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 2ND DEO Award a ₱9.8M contract to MAV CONSTRUCTION SUPPLY AND POWER DEVELOPMENTNational agencies

Transaction hash:

8f388e4fa8af3eaa4fcbfefd2a06d872aa079d225c1ca8c1163ca4dcaa70fb50

Status:

Included and unchanged

Block:

#5,218 795 blocks after it

Position in block:

Transaction 108 of 204

Award day:

Jul 20, 2023 (3 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 2ND DEO

To:

MAV CONSTRUCTION SUPPLY AND POWER DEVELOPMENT

Value:

₱9,788,053.64

Project:

23BF0093

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 2ND 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 #5,218 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 2023 CSSP", i.e. the FY2023 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 - ISABELA 2ND DEO awarded it to MAV CONSTRUCTION SUPPLY AND POWER DEVELOPMENT on 2023-07-20.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 23BF0093: Completed, 100% 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)
DPWH marks the contract "Completed" (end 2024-03-07). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 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 8f388e4fa8…70fb50now …
2. Block Merkle root changed
stored f5b8d69463…ec26ecnow …
3. Block #5218 hash changed
stored 5252c8e946…b62160now …

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

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 203 records. Each step hashes the current value together with the sibling shown.

leaf 8f388e4fa8af3eaa4fcbfefd2a06d872aa079d225c1ca8c1163ca4dcaa70fb50
01 R 8f5b29d73beb2be2009e44eca14e3c8ccd1bb2c2d6f7e39dc309152fa2e6432c
02 R 330cde8a4a5b23192db3524bd9874c834033b8c104f66fae77490573a4049ba6
03 L 035054cfa467544053d218343b55f6ce48d38cc0a295c33571314d66858c56d8
04 L 1dd6e33f5f8baa557d75ce7cd6662787f0a2e8d89ecbdf12838fcfdfe2218211
05 R 040888da291a3516deb53dd85033ce70df040fb50783be1b841a2fe548fc658d
06 L debff169e408c84ca1890bfa72c55344290f07fcb8a166c5e78d2aef7c651d4a
07 L 75f9851d47a536aab2f83a3209dcde3ff4a9f3786fb1de5450f769a82756dcf3
08 R 4da3ca22440824cd74811fb00fad2ab16818430eb09d3fedb958cbe8156ea56c
root f5b8d69463770218b288297946b0aa9d8a915e2f795c4961aa9da18fa5ec26ec