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 ₱14.3M contract to 747 BUILDERS & TRADERS, INC.National agencies

Transaction hash:

e41fe5e374d77eb9360bbbc12a6bdaf1fdf428aa32050197e6f5cf0268685115

Status:

Included and unchanged

Block:

#822 5,191 blocks after it

Position in block:

Transaction 159 of 182

Award day:

Mar 15, 2010 (16 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

747 BUILDERS & TRADERS, INC.

Value:

₱14,300,335.50

Project:

Riprapping/Concreting/Improvement of Access Road from brgy. Santor-Tikay & brgy. Niugan-Look 2nd to Northville 8 Resettlement site Bangkal, Malolos, 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 #822 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 747 BUILDERS & TRADERS, INC. on 2010-03-15.
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 e41fe5e374…685115now …
2. Block Merkle root changed
stored 04f0e88219…7cc28dnow …
3. Block #822 hash changed
stored 4bf539c66b…6f148cnow …

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

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 181 records. Each step hashes the current value together with the sibling shown.

leaf e41fe5e374d77eb9360bbbc12a6bdaf1fdf428aa32050197e6f5cf0268685115
01 L e326a00a4483a3d9dd4e604024e18f9b211569893f5ee82af4f90b3e93fb82e7
02 L c2df195de30781d16adb2d272956ac59ca98f827f66d97b311962497188fc371
03 L a7d769522c273800ca4f9caac7ed1c0d5c98ce3efa4140f3fd4cda9f93aefa60
04 L 5e8760992dfe91d1657252b541ca3d82903d35a810f4ebab42b238d7b793b9ef
05 L 38bcd9299f34611cac52c3d2000af192a5bb97f1a66bf57b3469610f4894ff29
06 R 6d39aef1d14569038f0b328025df726c8a52ed931136440f713f41ca4939ee57
07 R 5c20e11d1de02ae24d0e0159e78a70bc2b194d3da91d6f4307cfda34790da928
08 L 1d0e68485a7cf239dcbf0596064bd1d7874d96715cecc2a16ff35887d608befb
root 04f0e882196c7d42893443db292e4f886eb0d1540a70109735a4abde6d7cc28d