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 - REGION IX Award a ₱24.1M contract to ZHEREB CONSTRUCTIONNational agencies

Transaction hash:

2f8734d6cf955bf2cdda71f884112208e24a34a43485e19f8efc445fe7b76ad0

Status:

Included and unchanged

Block:

#4,457 1,556 blocks after it

Position in block:

Transaction 2 of 22

Award day:

May 22, 2021 (5 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION IX

To:

ZHEREB CONSTRUCTION

Value:

₱24,125,000.00

Project:

21J00101

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION IX

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 #4,457 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 2021 LP", i.e. the FY2021 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 - REGION IX awarded it to ZHEREB CONSTRUCTION on 2021-05-22.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 21J00101: 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 2021-09-24). 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 2f8734d6cf…b76ad0now …
2. Block Merkle root changed
stored c499341819…ccb260now …
3. Block #4457 hash changed
stored ea9af54753…6ac28anow …

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

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 21 records. Each step hashes the current value together with the sibling shown.

leaf 2f8734d6cf955bf2cdda71f884112208e24a34a43485e19f8efc445fe7b76ad0
01 R 32cbb7e1f132a9ebf0563b29a75f1105e306241c4ee9f0f16d7f30abff915c65
02 L b5327dadacc894471209aca5bbb7e3c3f55c8716d35b24c40c3ad2ac21e5f4e0
03 R 94acd814bf56c33e5f9ea6b563a272e13a65aa2b5af6697c64f2d94e82e7d279
04 R 246c846252e19c69ed6b5b4f0e0035a086f1956d054403cfe00963c510336935
05 R 784736d7098b22fa863da9623db4d672b6663c515e6f14a914c93c8d4a78521b
root c49934181969b32ac118c8007d74683e7ad9c3f7514da75b0759a6bf21ccb260