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 - ZAMBALES 2ND DEO Award a ₱1.9M contract to R.M. VITUG CONSTRUCTIONNational agencies

Transaction hash:

bc1be0cdf98068b60caa65a66a13d443af32541203bc9f9934f94f2d8688e043

Status:

Included and unchanged

Block:

#2,139 3,874 blocks after it

Position in block:

Transaction 84 of 119

Award day:

Jul 28, 2014 (12 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ZAMBALES 2ND DEO

To:

R.M. VITUG CONSTRUCTION

Value:

₱1,859,782.38

Project:

14CM0005 - Const. of Roads - Brgy Aglao S.M.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ZAMBALES 2ND 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 #2,139 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 - ZAMBALES 2ND DEO awarded it to R.M. VITUG CONSTRUCTION on 2014-07-28.
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 bc1be0cdf9…88e043now …
2. Block Merkle root changed
stored 4c1326b7cd…f0546cnow …
3. Block #2139 hash changed
stored af15d74c9e…268de2now …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 118 records. Each step hashes the current value together with the sibling shown.

leaf bc1be0cdf98068b60caa65a66a13d443af32541203bc9f9934f94f2d8688e043
01 R bc6a43a8c433752ad37e7fb1af27e7bcb340c8dbfca39a51365d15bc08c06d49
02 R 543c6123e7142cc186151039efc9bca3507d03ebee9cdec81194d213633980b7
03 L 94df2b96cb99226e1690071a69762dbfaa96627f6a5ee00c10791397ce480240
04 R 621a04af2b55647921a4470ef976c079281c7c1837d0038b007641d06ff240c4
05 L 32f23e29f0352b265e69c3143ce8e80adc1a74dd6506053ef897bc3136f5bfe2
06 R fbbb94bc9ed3f48cd2428a1d52b44ab6f9618c69ffe679600173bb927ce08e90
07 L f75971d2c2903453a966b3776e892bc49eed7fc64f020531d04b0dd7d55dcb9a
root 4c1326b7cdffcf481753f342edc2bca9605ee879f4dc10fd6359effb15f0546c