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 ₱583.1K contract to ARL CONSTRUCTIONNational agencies

Transaction hash:

6c4b44a4e9b3dbd6ec6aaac5398ca8cc6b0d861adbc4292f128e700d71b30c65

Status:

Included and unchanged

Block:

#758 5,255 blocks after it

Position in block:

Transaction 27 of 54

Award day:

Dec 16, 2009 (16 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

ARL CONSTRUCTION

Value:

₱583,109.23

Project:

Construction of school building Bagong Bayan E/S Bulacan, 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 #758 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 2009-12-16.
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 6c4b44a4e9…b30c65now …
2. Block Merkle root changed
stored a206a62f1a…a8cd1fnow …
3. Block #758 hash changed
stored b6db3cc1fb…c800cfnow …

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 6c4b44a4e9b3dbd6ec6aaac5398ca8cc6b0d861adbc4292f128e700d71b30c65
01 L 68d28a5ac1c3c2bb98297bc3f85695052909604d7dd99c5270bb9688d8592910
02 L bb9c32b265c5d04d3b8409829e120fb052e1e3e7420f47caa561e1db30908577
03 R 1ea54ed07d011aadab98bade4dbdc82e14e71c73f415f36196e3bf4efed54e63
04 L c759e9a5a9708b7143e750ad5d63a5344f4ff1390928531d9fd957a29452a2f8
05 L 29be72b545053ea9851e57581192515bbd5e6b80386cb40811b47b9db2f173db
06 R 2a56f2e522ce07103bd42532dc811c7528b3b10d39647b964e074d6d6f0be3fe
root a206a62f1a5f0558d8c8e1eac9ee4878768eb783d3cd400fcbc0aeda24a8cd1f