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 - BULACAN 1ST DEO Award a ₱18.6M contract to 525 CONSTRUCTIONNational agencies

Transaction hash:

5978ea54b8ea68bd571a16bb588549f50b201d2f7eec0503aabf9ddbb4c9969e

Status:

Included and unchanged

Block:

#3,525 2,488 blocks after it

Position in block:

Transaction 64 of 183

Award day:

Sep 5, 2018 (8 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 1ST DEO

To:

525 CONSTRUCTION

Value:

₱18,619,950.80

Project:

Angat River at Tarcan-Sta. Barbara, Baliuag, Bulac

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 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 #3,525 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 2018 OO-2", i.e. the FY2018 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 - BULACAN 1ST DEO awarded it to 525 CONSTRUCTION on 2018-09-05.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 18CC0321: 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 2019-03-02). 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 5978ea54b8…c9969enow …
2. Block Merkle root changed
stored 677f191a62…99812cnow …
3. Block #3525 hash changed
stored 2818a9b73c…6a8790now …

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

leaf 5978ea54b8ea68bd571a16bb588549f50b201d2f7eec0503aabf9ddbb4c9969e
01 R 5b6f44f5ebfb45ed328bd3a2f415ad85a5fb9ed08b568e8389882aaff0a2a27e
02 R 162a862a8c23d24b10a970b14a0a2af8f97e8da236ef7631c600a59d6db1e549
03 R 25f4822d72b7c4d919dc4a4a2a8958cbc11b471ef35c1e6d955023be6e3a2dd9
04 R ab1ceabed19dc687e87553acb8cd63414e20b629abdc03eb788db6d5b051d0ee
05 R a726e376163f04c10ecc6f44693188bf170c296fab6393b8366c8af1fa9bb2ed
06 R f10613b1dd6e3e7a8a1c49f31d49278a2159e0ef5709f3a8045606d0e4a76a7c
07 L 958b5c399fb5e671c96817b624f2c4f7b37d2c9f22203b41c3621c7c659ebb54
08 R 4ace716093ccfc98cb2dec691205c2e9381caeb25324f9f8e545c24d8da44f07
root 677f191a62b3f607158374c091490546b226ee42b17ed35506e9a5038499812c