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 - LAGUNA 1ST ED Award a ₱2.7M contract to POWER K CONSTRUCTION SUPPLY & SERVICESNational agencies

Transaction hash:

e6d32a2f3b767ec87c2b4723bd490c9e26a1a9eb607a3fd1fd78081f6c4542e4

Status:

Included and unchanged

Block:

#4,340 1,673 blocks after it

Position in block:

Transaction 78 of 91

Award day:

Jan 20, 2021 (5 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA 1ST ED

To:

POWER K CONSTRUCTION SUPPLY & SERVICES

Value:

₱2,688,262.81

Project:

Construction of Multi-Purpose Building, Barangay Z

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA 1ST 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 #4,340 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 - LAGUNA 1ST ED awarded it to POWER K CONSTRUCTION SUPPLY & SERVICES on 2021-01-20.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 21DH0033: 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 2021-07-22). 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 e6d32a2f3b…4542e4now …
2. Block Merkle root changed
stored bae698d62e…1c3e94now …
3. Block #4340 hash changed
stored a9c8aa65ba…6de3b5now …

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

leaf e6d32a2f3b767ec87c2b4723bd490c9e26a1a9eb607a3fd1fd78081f6c4542e4
01 R ec109fcc1b96cf00ece50e94d4539270d0c7cc22148258e8e78b3f9ef191ea62
02 L 04c9001f065016a6ef5279fd943357c2d0e500e41bc1728e2c7b3e84a5d4d6b3
03 L 3bb64c66cfdd1bdbb1b683baea8fc930ed0c120a1821f8bdeeddd63b4c25124a
04 L ddd7318bf9e9323e61973413d0fdba1de454967c77a59644167c9bb9f1088841
05 R 968fed506c3f5cfd2dd3e09108ca3896e4a20eea125c546f2a04cc1a5c097916
06 R 61f5e542ced53b7ef57da30050582a2f15112fb0723778034251730aeab666d1
07 L 67facc06983e57e9ad16316b115d1628125a5f2b2674263fa17aeacb752da0f3
root bae698d62e8eaa20307e8c1bf52f74ebc1831eca678a16049170dc3ca81c3e94