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 3RD DEO Award a ₱990.0K contract to MAR-DEB CONSTRUCTION AND DEVELOPMENTNational agencies

Transaction hash:

e40c6da7e0d0f1fa130efbbbcf0e634002746e251c52ed2d0814e5530915f325

Status:

Included and unchanged

Block:

#1,378 4,635 blocks after it

Position in block:

Transaction 70 of 82

Award day:

Feb 14, 2012 (14 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 3RD DEO

To:

MAR-DEB CONSTRUCTION AND DEVELOPMENT

Value:

₱989,975.37

Project:

Emergency Repair of Damaged Line Canal along Daang Maharlika, Alicia, Cauayan City & Naguilian, Isabela

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 3RD 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 #1,378 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 3RD DEO awarded it to MAR-DEB CONSTRUCTION AND DEVELOPMENT on 2012-02-14.
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 e40c6da7e0…15f325now …
2. Block Merkle root changed
stored f6df70aab6…cee769now …
3. Block #1378 hash changed
stored 028be07ab8…4a2e29now …

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

leaf e40c6da7e0d0f1fa130efbbbcf0e634002746e251c52ed2d0814e5530915f325
01 R e96e4c655e5df73eb94f0d82c4ead37e77444aa36cea4ce5ad43ed75975f69d5
02 L ee0281420738d3b616e228e06eb4a36c0915ba2c8db2e1776d93b287c4f67397
03 L 364689a0ccf5e556d312571c86e1864a4083c4d28ab44da0a2e29ee223def9c2
04 R 15a56fda8cc0426765f833db68ff42db72d52c26bd49e328f77f289b0b6bc689
05 R 061ea5a9de2a87837e8c612c1fbb6efdda3d9935845466b33730796600c08b3c
06 R 0caa956ca15f11773a5997d8e3e20c2e28ac8729c261c77e951af9a537f02acc
07 L e9c4fe635bd26c7c968db55c8d0c70dfa1108b31559a1b0bc6ebdfdb72725c00
root f6df70aab608cc695bffa4f4330304310e510029420b6816d7775cc95bcee769