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 1ST DEO Award a ₱2.8M contract to KWA CONSTRUCTIONNational agencies

Transaction hash:

3f7ea7e18f11d923bfbb0855ab2ec9ad41c0c4b25ee15b298f655e1ec08068b8

Status:

Included and unchanged

Block:

#3,855 2,158 blocks after it

Position in block:

Transaction 8 of 41

Award day:

Aug 21, 2019 (7 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 1ST DEO

To:

KWA CONSTRUCTION

Value:

₱2,820,941.14

Project:

19BE0102

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 1ST 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 #3,855 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 2019 LP", i.e. the FY2019 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 1ST DEO awarded it to KWA CONSTRUCTION on 2019-08-21.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 19BE0102: 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 2019-12-12). 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 3f7ea7e18f…8068b8now …
2. Block Merkle root changed
stored 1d8a7c7a76…93f053now …
3. Block #3855 hash changed
stored 357aa650b2…41af43now …

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

leaf 3f7ea7e18f11d923bfbb0855ab2ec9ad41c0c4b25ee15b298f655e1ec08068b8
01 R 5a5dcd9a16a7322d3eeab295c630c6b6038fecd3b18451dfc26b661eb87aa5fd
02 R 3ab18fcef7d4eb65db2117b1cf3d0916a92c25fe7ce3ca6e8f56c5a793efb6bc
03 R 0c78d498ee4f715f9d47e2e4b984809b270f7ae9cc2e0f14753ebcff51e00fd5
04 L 56e153a81ba26ad7be1ce20061e70caac993f4dd757a622f65ed1a96ee788d5f
05 R 30d5fb2097e78996a61cc72f437c23dd5906d31f1c3034badb80415b21d7fe45
06 R 630c265a8592c45d109f875345e3ada955a1435bfca7170372be7198f6aac05d
root 1d8a7c7a76d290f18a34f054df594bbaa8fb84477a7a29a99162e12fda93f053