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-BULACAN 1ST DEO Award a ₱899.9K contract to ARL CONSTRUCTIONNational agencies

Transaction hash:

abc26a161e9411b4bd10f08010c1d58919a5e49744a71a86d1571b59fe7059d7

Status:

Included and unchanged

Block:

#1,138 4,875 blocks after it

Position in block:

Transaction 31 of 58

Award day:

May 9, 2011 (15 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

ARL CONSTRUCTION

Value:

₱899,859.50

Project:

Repair/Rehabilitation/Construction of road at Iba, Hagonoy, Bulacan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 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 #1,138 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-BULACAN 1ST DEO awarded it to ARL CONSTRUCTION on 2011-05-09.
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 abc26a161e…7059d7now …
2. Block Merkle root changed
stored 0185961685…22489cnow …
3. Block #1138 hash changed
stored d3b6330e11…c6ab64now …

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

leaf abc26a161e9411b4bd10f08010c1d58919a5e49744a71a86d1571b59fe7059d7
01 L a7cd833844acb5db11310abc0488b6af62b87cffaddb40debfc265cb3ab00e2f
02 L 5167dd484c8f3adf1b10ef781dfae483ff51279f49d038a25c596cdcbd4de5c8
03 L 0a9daa2f30b0cac0e31829da614d7201ae0fa322489cb3850a30931fe62e1b1f
04 L 045a581f27be08f1be85974d03e6f16a9f8ab6e0a2dc784406e492e10c21a6ab
05 L 2e80ddb7143a1825b065115c5834f882a86c73d4f38560f9f3e677f48ef5476a
06 R 03e64dc48c0e840e3d96b5b30c5276fe0c67bf30356787929a7bec489e338939
root 0185961685a59718d5aa8eb7267d95283eb2a7af22acce8c821ed8da7b22489c