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 - COMPOSTELA VALLEY Award a ₱24.4M contract to AB APONESTO CONSTRUCTION PARTS AND SUPPLYNational agencies

Transaction hash:

80098a00e067c85e21d4784ad44cac5a2b2c877fbd90f163fad7e33245cc431f

Status:

Included and unchanged

Block:

#1,262 4,751 blocks after it

Position in block:

Transaction 22 of 54

Award day:

Oct 7, 2011 (15 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - COMPOSTELA VALLEY

To:

AB APONESTO CONSTRUCTION PARTS AND SUPPLY

Value:

₱24,414,750.00

Project:

Improvement of Nabunturan-Maragusan Road, Nabunturan Section(Manat-Matilo), Nabunturan, Comval Province

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - COMPOSTELA VALLEY

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 #1,262 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 - COMPOSTELA VALLEY awarded it to AB APONESTO CONSTRUCTION PARTS AND SUPPLY on 2011-10-07.
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 80098a00e0…cc431fnow …
2. Block Merkle root changed
stored 92ce03efc7…720a7enow …
3. Block #1262 hash changed
stored c8f27bc32f…991d5fnow …

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

leaf 80098a00e067c85e21d4784ad44cac5a2b2c877fbd90f163fad7e33245cc431f
01 R 80531186ff9cef70022403913785e1c7bb9d587c8972181f7c3717c1fb220863
02 L e5a7f161e5cf684333bd60e9f634d1c93ad7b607d4e301eab94fb85ace997c4c
03 L 7680571185d0a9730f419ed9412ee2c5dcceb168bd08f8da36c56989fed66ed3
04 R 33ef3f214f0cf7cf2529c6693c2219fea74aeb381816ff9a1af8c6745af903b6
05 L 8b01795ed2f7a8760e52533770906945746d3576f8da711784d7b7875611ffe0
06 R 00127ea54e35d5a4075c8364385457ed82547fe7bb521c3b82d47d2e6496526b
root 92ce03efc7a691109e4080adca1f9d39b7377e27ae3e0c22121abfa5f9720a7e