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 - QUEZON 2ND ED Award a ₱4.9M contract to JAICA CONST. CORP.National agencies

Transaction hash:

e1d0ff8142dc835fa26eb09c01f3429d847be89e390a09734d17aa842d7c6823

Status:

Included and unchanged

Block:

#4,150 1,863 blocks after it

Position in block:

Transaction 98 of 111

Award day:

Jul 2, 2020 (6 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 2ND ED

To:

JAICA CONST. CORP.

Value:

₱4,875,735.08

Project:

20DJ0023

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 2ND ED

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 #4,150 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 2020 LP", 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 - QUEZON 2ND ED awarded it to JAICA CONST. CORP. on 2020-07-02.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 20DJ0023: 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 2020-11-09). 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 e1d0ff8142…7c6823now …
2. Block Merkle root changed
stored 887b5b3d41…9dd529now …
3. Block #4150 hash changed
stored 8865d6feaf…2520cfnow …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 110 records. Each step hashes the current value together with the sibling shown.

leaf e1d0ff8142dc835fa26eb09c01f3429d847be89e390a09734d17aa842d7c6823
01 R e2da5d7e173ad85f88677d54adb0f8b684b867367f57e52a381bd4a5c8b9e34c
02 L 0122e6e3f9642ce80d1ad07c0f3574564dd388865e10752f67594cc752846e19
03 R 632f9e21b8b69aa92b508858081c74ad5b3f2cfc36d4a373958e97ff157e2fba
04 R ac763e3eaa398888414764af413a6643f4b588ac4d29c6ae22af6cf72a7ef71a
05 R a4d8b274333728d599b149981d45ff54badc2ad89edb87e2a67ecf6ab9072d05
06 L fe069fbc37264f745c2c1e4767d39fe100b20931a5dbd2d316e7999c69474e54
07 L 11c56f0ba2ec8f5fcf85a611af49b38c3d90e738d1150cc0421a3d4290b65f31
root 887b5b3d410349b5d8080357be033b46174e6c72e91ac30c3dc6fd81e19dd529