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 - LANAO DEL NORTE 2N Award a ₱3.8M contract to AL-FAHDEL CONSTRUCTION & ENGINEERINGNational agencies

Transaction hash:

65004d5e06f724601797e2ca0930bcfc27d79434582fab48fe3b9c1c02d38d88

Status:

Included and unchanged

Block:

#1,630 4,383 blocks after it

Position in block:

Transaction 18 of 45

Award day:

Dec 6, 2012 (13 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LANAO DEL NORTE 2N

To:

AL-FAHDEL CONSTRUCTION & ENGINEERING

Value:

₱3,832,142.78

Project:

12KF0041 - Concreting of Barangay Kiwalan-Kabacsanan Barangay Road, FMR Sta. 0+000 to Sta. 0+660, Brgy. Kiwalan, Iligan City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LANAO DEL NORTE 2N

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 #1,630 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 - LANAO DEL NORTE 2N awarded it to AL-FAHDEL CONSTRUCTION & ENGINEERING on 2012-12-06.
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 65004d5e06…d38d88now …
2. Block Merkle root changed
stored 90dd4fcdbc…2110a2now …
3. Block #1630 hash changed
stored c256cd2daa…c72906now …

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

leaf 65004d5e06f724601797e2ca0930bcfc27d79434582fab48fe3b9c1c02d38d88
01 R 6a0069616f10f9a2f6b60b625c044d6a056d9f092479bcc643d9b5c4d2614ffb
02 L ee3f1acc276591b94a9a7188d94a19562a4a8ffe2858e2dfd86b2e87bf93901b
03 R d5068649b8004994e6f6c03fbf94ca899abffa22eed8ba215a924bee3140e490
04 R 404d7761440368001169ba895810ffec2201aa531e32e20bf8ca5fd97638b837
05 L ff0318b9028cab3316f88f9478590d17cb789b05e17f90b61b46e3485a22bb9c
06 R 7e06c1bb2204266aa07f9c90b45dd51973496ec78cd136feb971fd07e35af0cc
root 90dd4fcdbc8746c02fb4cb30145c6a22397d8d32d33e8f2bd6426b17ea2110a2