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 - ISABELA 4TH DEO Award a ₱490.0K contract to META CONSTRUCTION - SANTIAGO CITYNational agencies

Transaction hash:

cbbb4a885ce282a534fee5eaaff6f3d06df9f84c23d807aad9286140d9035fc0

Status:

Included and unchanged

Block:

#1,741 4,272 blocks after it

Position in block:

Transaction 18 of 23

Award day:

Apr 29, 2013 (13 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 4TH DEO

To:

META CONSTRUCTION - SANTIAGO CITY

Value:

₱490,049.98

Project:

Paving of Shoulder on Bridge Approaches along Nati

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 4TH 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 #1,741 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 - ISABELA 4TH DEO awarded it to META CONSTRUCTION - SANTIAGO CITY on 2013-04-29.
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 cbbb4a885c…035fc0now …
2. Block Merkle root changed
stored 7157ccc422…e3d6b8now …
3. Block #1741 hash changed
stored 725b14606f…8dce5cnow …

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

leaf cbbb4a885ce282a534fee5eaaff6f3d06df9f84c23d807aad9286140d9035fc0
01 R cc48393d5df24535fd1fba62bc0049fc25522b7f6f6956beeebc150145dcafeb
02 L b69cfbc57a2dcd6b63a6311209ed4394768d7cb54035b7ba4adf8e18c1434c66
03 R 418950649493146cc3ebf507d3a8127c4a630eaa42d294d573ab3ad22aac465e
04 R ddbe35664bb3f774610f8c95b82bbe626450f28ca2333287a2ec711e0cbdbe4c
05 L c576877a0064d96f11d7a638701282f62e04fb05dd71fcc613ce63d0a4b9832a
root 7157ccc42276005198bb9b67e961166513147eca765d1c15d5861b5a37e3d6b8