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 - CAVITE - SUB-DEO Award a ₱23.7M contract to J.M. MALIGAYA CONSTRUCTION & CONSTRUCTION SUPPLYNational agencies

Transaction hash:

0b6614f9eae2dfd7d905576eb6982080960e018881d5801f16edfcd5b26b1c0c

Status:

Included and unchanged

Block:

#1,374 4,639 blocks after it

Position in block:

Transaction 0 of 30

Award day:

Feb 9, 2012 (14 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAVITE - SUB-DEO

To:

J.M. MALIGAYA CONSTRUCTION & CONSTRUCTION SUPPLY

Value:

₱23,672,774.32

Project:

Assets Preservation of National Roads Generated from Pavement Management System /Highway Development and Management - 4 (HDM-4) Rehabilitation/Reconstruction/Upgradingof Damaged Paved National Roads (

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAVITE - SUB-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 #1,374 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 - CAVITE - SUB-DEO awarded it to J.M. MALIGAYA CONSTRUCTION & CONSTRUCTION SUPPLY on 2012-02-09.
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 0b6614f9ea…6b1c0cnow …
2. Block Merkle root changed
stored 72a481ca6c…e9ba78now …
3. Block #1374 hash changed
stored 47aec66e29…66fed2now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 29 records. Each step hashes the current value together with the sibling shown.

leaf 0b6614f9eae2dfd7d905576eb6982080960e018881d5801f16edfcd5b26b1c0c
01 R 0b8be7bf365228a5d3c98a47409e3b0a2ae2f9c0b3e95dd9830122cff8467c64
02 R 5af43485478564d29a57ed59e20fead950344b23f93dc7239ac3b7077b2edc45
03 R 5e1cb4a15178a163f38f6d8cb040a5f3f586273276e3e243fd2d98ce366356b5
04 R 39697bf8e7ca10425219cd0e29f7fd34569228c0825fcc6941d6108af3768e1a
05 R 0fddbb9334b5457ad0933538c5fca39c8c22c6cb55088639811a628f4987f36f
root 72a481ca6c0c85cc9804a739617a4af8405f72057e5d24520cddba6d80e9ba78