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 - ALBAY 3RD DEO Award a ₱21.2M contract to ELKANKONSTRAK DEVELOPMENT CORPORATIONNational agencies

Transaction hash:

7f04efae1c1ee6675b4c19b8ef5fa812a9a6918b3f89fc9b054cf0ef0aa32e22

Status:

Included and unchanged

Block:

#1,456 4,557 blocks after it

Position in block:

Transaction 24 of 43

Award day:

May 18, 2012 (14 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 3RD DEO

To:

ELKANKONSTRAK DEVELOPMENT CORPORATION

Value:

₱21,161,406.91

Project:

Road Upgrading (Gravel to Paved) Based on Gravel Road Strategies, Traffic, Benchmark for Upgrading to Paved Road Standards (HDM-4 Project Analysis) Intermetent Section, Albay West Coast Road K0537+354

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 3RD 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 #1,456 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 - ALBAY 3RD DEO awarded it to ELKANKONSTRAK DEVELOPMENT CORPORATION on 2012-05-18.
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 7f04efae1c…a32e22now …
2. Block Merkle root changed
stored c6cab58d38…f5a927now …
3. Block #1456 hash changed
stored 8ca9e062f8…04f4efnow …

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

leaf 7f04efae1c1ee6675b4c19b8ef5fa812a9a6918b3f89fc9b054cf0ef0aa32e22
01 R 8306bf94baad717cacbde66a4842175cb13f11f3de05c76a1cfd6d8821cb3477
02 R f44697fa35e47c068208c2369bd49a208f3602999ab9d41db3f91a2e2b3a12fc
03 R e9ede2b68afe0366fe5ff0f93b4f13877e0309681ddf8c2bea029ad552bec132
04 L d9885ebe6fdfe6836f60113119939c47060691fc6a7cb176d58f4233eab0a455
05 L df79f6d91875e273fd127cea729a3e7e59644a785b574a94779ad2ae80267586
06 R 5012c96fb9f2edf993ac442cc552ce1d216ff3eea515297f434f9ffc4a61d286
root c6cab58d381b150c4f4cdc36bed94e6487561f8573a5c298f96fb9d73ff5a927