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 - BATAAN 1ST DEO Award a ₱6.8M contract to PKCS CONSTRUCTION AND HARDWARENational agencies

Transaction hash:

dcd4a85ec438dd8747fb202868f63a87f952ad478b8f67d6ba16d8f7758ac47b

Status:

Included and unchanged

Block:

#1,590 4,423 blocks after it

Position in block:

Transaction 50 of 54

Award day:

Oct 19, 2012 (14 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATAAN 1ST DEO

To:

PKCS CONSTRUCTION AND HARDWARE

Value:

₱6,790,000.00

Project:

Construction of a Pilot Trial on “Use of Elasto Bar Chips in Portland Cement Concrete Pavement” along Roman Expressway, Orani, Bataan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATAAN 1ST 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 #1,590 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 - BATAAN 1ST DEO awarded it to PKCS CONSTRUCTION AND HARDWARE on 2012-10-19.
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 dcd4a85ec4…8ac47bnow …
2. Block Merkle root changed
stored 8862f0ff0a…3885efnow …
3. Block #1590 hash changed
stored 0ef25669ac…3a0b7bnow …

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 dcd4a85ec438dd8747fb202868f63a87f952ad478b8f67d6ba16d8f7758ac47b
01 R dd5c7409507f5673f25e929aae826a22f193197f698114f19221c4f16e986579
02 L 1b73b59accc1bb5ba771d6a99f7ad84e39da9bef43f8724373f2a5a413898277
03 R 5a80f382bb55c4155345fc16509d161fb82cee19e2d7d5b338ed74b9408f5615
04 R b2d43a262ad68fa6023b1c0bbb5a15a923ee6866adca545785231d205ecbd08a
05 L ef4faba5ab06c59c6448281b5c3696b5dbdc2e537f3bf92e93ebbe7b75ad4864
06 L f1a71e527b143080302fa0bf1ceb6cbbff3ced7547c5669ba9ff1427ac3e6295
root 8862f0ff0ac32ecc7eac8bc4ab53f9e0311dfb9c973e26b8766dbf8e393885ef