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 - PANGASINAN SUB-DEO Award a ₱4.9M contract to P.T. DIAMOND MERCHANDISE AND CONSTRUCTIONNational agencies

Transaction hash:

a1b711f0edf699f31db32f97a3f0361bbb5ce9eb2201ec26fbb6d4e1cba3d9e3

Status:

Included and unchanged

Block:

#1,436 4,577 blocks after it

Position in block:

Transaction 67 of 107

Award day:

Apr 24, 2012 (14 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN SUB-DEO

To:

P.T. DIAMOND MERCHANDISE AND CONSTRUCTION

Value:

₱4,947,629.45

Project:

Repair/Rehabilitation/Improvement along Villasis-Malasiqui-San Carlos Road, Km.193+550 – Km.194+050 with exception Malasiqui, Pangasinan.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN 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 #1,436 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 - PANGASINAN SUB-DEO awarded it to P.T. DIAMOND MERCHANDISE AND CONSTRUCTION on 2012-04-24.
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 a1b711f0ed…a3d9e3now …
2. Block Merkle root changed
stored 174ce93b5e…f8f766now …
3. Block #1436 hash changed
stored 8e0566f023…0a018enow …

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

leaf a1b711f0edf699f31db32f97a3f0361bbb5ce9eb2201ec26fbb6d4e1cba3d9e3
01 L a0ce501bd5953ea038073b3c12aeb4c1c1f17d481d39c3f309ca072f874aaebc
02 L a2bf196696d0dd17e1a446214f84576460fbce375839268f5707c6f392aabf18
03 R 08b96e99b1aea11c7986d2b8faf8e3ca99c1ba296d41906fa1eaeefc51250a69
04 R 056d8caf8e8f7cd02d259374dcbc355f69111958e457b47c7a5deca64f0ce619
05 R e8bd37b735c15b60353b32628136205e117f749053b893b5a5920e616de45298
06 R 6d9ce1287bcdfed4158a02613a0171b5b64b2b9a550861983edcf52dcfa1d8a0
07 L 4662e38776e3bcecd13ca16d0323b467a4ca68f01c707f2eb8317bdb09e57db5
root 174ce93b5e1afa4c36f081170b1444fb7bcccc28c659853294bbd96b32f8f766