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 - ILOCOS SUR 2ND DEO Award a ₱1.9M contract to MBB CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

183d0abba2d8b538e1aea09df62dbbda014acebc7c846981a8b5df1f2de88ff8

Status:

Included and unchanged

Block:

#2,754 3,259 blocks after it

Position in block:

Transaction 8 of 62

Award day:

Jun 2, 2016 (10 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 2ND DEO

To:

MBB CONSTRUCTION & SUPPLY

Value:

₱1,894,981.25

Project:

15AD0170 (RE BID)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS SUR 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 #2,754 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)
DPWH lists the funding source as "Regular Infra - GAA 2016 Locally Funded Projects", i.e. the FY2016 GAA. The exact UACS line is not given.
Partly
Open
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 - ILOCOS SUR 2ND DEO awarded it to MBB CONSTRUCTION & SUPPLY on 2016-06-02.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 15AD0170: Completed, 100% physical progress.
Found
Open
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)
DPWH marks the contract "Completed" (end 2016-10-17). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 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 183d0abba2…e88ff8now …
2. Block Merkle root changed
stored 4a407c5113…7822adnow …
3. Block #2754 hash changed
stored 3a200becb4…99f57dnow …

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

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 61 records. Each step hashes the current value together with the sibling shown.

leaf 183d0abba2d8b538e1aea09df62dbbda014acebc7c846981a8b5df1f2de88ff8
01 R 198312cbb093219ecf86c54ce6c2db4d5928adae96b7057e1cb31bc918e5bd39
02 R fe7ab73faf75b867fa45ad7f72d5a0e50e169d4742d069b7afe1b2dca17bde7f
03 R d4e35e723a3e4d4bcc347d075e78e325452a37870a0669c91c89bce8ddfe4a0a
04 L 4c545534c7c2a2d1d0d817166a09121a277d84a45952da0caf02bea936e99862
05 R c094190749354b0e68dfb9b47cdeee0883d64bfc66c269e003419fa4c088b619
06 R e967f1fd74277fdd3adb6ad204ad09f9be75d38e87f4b7d94e4346269a13aa3d
root 4a407c51133c7e4b6a4a16a5d1f3a5dc762f0ad269dadc17da6a47a5517822ad