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 - CAGAYAN 2ND DEO Award a ₱4.4M contract to OLIVA DESIGN AND CONSTRUCTIONNational agencies

Transaction hash:

d3e67d38cf1bcbb01ca06cc14a1af10a4f99cb05504c391f22ec952c1e73489a

Status:

Included and unchanged

Block:

#4,192 1,821 blocks after it

Position in block:

Transaction 150 of 176

Award day:

Aug 14, 2020 (6 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAGAYAN 2ND DEO

To:

OLIVA DESIGN AND CONSTRUCTION

Value:

₱4,399,396.39

Project:

20BC0169 re-adv. - Construction of 1 Storey 2 Clas

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAGAYAN 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 #4,192 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 "Outside Infra - GAA 2020 DepEd BEFF", i.e. the FY2020 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 - CAGAYAN 2ND DEO awarded it to OLIVA DESIGN AND CONSTRUCTION on 2020-08-14.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 20BC0169: 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 2021-03-05). 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 d3e67d38cf…73489anow …
2. Block Merkle root changed
stored 7237e912ed…e16ecanow …
3. Block #4192 hash changed
stored 61d64662e6…0ffd68now …

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

leaf d3e67d38cf1bcbb01ca06cc14a1af10a4f99cb05504c391f22ec952c1e73489a
01 R d5375659656d2557e46ff386878edd6d171c9c01687ff1b54239443a758b9dcd
02 L ce7c45dc9fc90ebbec44dc8c435ae9af8f3b2605f899ecd2a6598f0561a0f5fc
03 L 0b9258491cf54a5992faf471b25b032262ae25b2b0cbe22002d87c3199d03358
04 R 2f00bed062857355eeb9ec2c859c2339fbe0b70103559b14758a913f496bd833
05 L 07bbb9e236761a01eca3fea49e3399365fab9818cde92bac37c0cfe84fbb8bd8
06 R 8ef68a94999203857fcdd6ba9bb87032871f4d9abc23843f3af08d46083baaf8
07 R 0329868a5dd64c6a36d20368b8529693e579bd9f135fe2691e4a04ff604b27bc
08 L 7de220cafe739f379c21461eaf7ef62373a91f69e34e89a641ade3c840e44de9
root 7237e912edf0f767d92beced0f09811bb9d85e16ad82a9aab9ab1e856ce16eca