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 2ND DEO Award a ₱22.6M contract to 619 BUILDERS CONSTRUCTION CORPORATIONNational agencies

Transaction hash:

4ef4303fb2966cd5cdca11da0ff7c46ddd6c76a46e34516409a0dd967014a3df

Status:

Included and unchanged

Block:

#4,808 1,205 blocks after it

Position in block:

Transaction 72 of 245

Award day:

May 24, 2022 (4 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 2ND DEO

To:

619 BUILDERS CONSTRUCTION CORPORATION

Value:

₱22,635,836.57

Project:

22BF0070

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 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 #4,808 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 2022 CSSP", i.e. the FY2022 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 - ISABELA 2ND DEO awarded it to 619 BUILDERS CONSTRUCTION CORPORATION on 2022-05-24.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 22BF0070: 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 2023-01-02). 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 4ef4303fb2…14a3dfnow …
2. Block Merkle root changed
stored f05a8043ff…7bbad8now …
3. Block #4808 hash changed
stored 0cda1e3a18…dde297now …

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

leaf 4ef4303fb2966cd5cdca11da0ff7c46ddd6c76a46e34516409a0dd967014a3df
01 R 50cac82a032fe670c47f97546f70d5b486ac1b3f2d2be1b53b12f389f929f2bf
02 R 70671d29432b39010508a9be7fa857399280d94058136335d8ccb58aa05f2f42
03 R abc4c1565f32adf5a02a5332d6d2f36f341233f7c73b943851b605871bf89b87
04 L 55faf0cdc3fe6170a9f817dbc22965db2f330e6d4ab9c09d3fc372407a4cfcdd
05 R 646c8d16ba0c871b3c44edbe76a1c3c1554af94c48b24f27cf4c3e53f68928b0
06 R 02656f29ab91d47514be08466577b39e7eae7465d41f196e3a17017d511ce7a9
07 L 298933b6729060ced41045f1402812dec0a2068e9db0b8f0626ae43b52a4d692
08 R 885779c28ceb16a68d51132c31f57803cbd9b0fe399234b3de1ee5cb5f8c254f
root f05a8043ff80a2f2258f37e847cc45a08a062b4da76ac6e10c8a1662557bbad8