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 IV-A Award a ₱187.1M contract to DEVEX INCORPORATEDNational agencies

Transaction hash:

bbf80c1933339de35e6e741e7e83496c534011101284ee65503f9525b5a00f89

Status:

Included and unchanged

Block:

#4,176 1,837 blocks after it

Position in block:

Transaction 129 of 177

Award day:

Jul 28, 2020 (6 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION IV-A

To:

DEVEX INCORPORATED

Value:

₱187,148,145.96

Project:

20D00007-Const./Repair/Rehab./Improvement of Various Infrastructure incl. Local Projects Buildings and Other Structure Multipurpose/Facilities UNIVERSITY LIBRARY AND KNOWLEDGE CENTER (ULKC), UPLB, LOS

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION IV-A

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 #4,176 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)
The award does not say which budget line pays for it.
Not published
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 IV-A awarded it to DEVEX INCORPORATED on 2020-07-28.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
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)
No completion certificate published.
Not published
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

1 of 8 documents found, 0 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 bbf80c1933…a00f89now …
2. Block Merkle root changed
stored 8abdce9357…32a997now …
3. Block #4176 hash changed
stored 068707a01e…aa9c20now …

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

leaf bbf80c1933339de35e6e741e7e83496c534011101284ee65503f9525b5a00f89
01 L bb98693e5b82f785a1bc4483b40729d91ae6b3ad190763256b624dce605d5be0
02 R 40221fd4100861702d661d97462733be8f480c1d7fd97873807a4c069ba9fe83
03 R 22b873c436120a06d71a265699aa5f8417b7937dc00bba6433f387c3c1b6b3b4
04 R 4f7ed226918932a4e5562d706fc346ad7726c05190295f3ac3ddb457977e8de3
05 R eb44af4b240f0938a5d504ab0b2231c254b944d2c719f196692341c410359769
06 R abaff64942ea49f293b3af2f9c7b198d599a366967fb553c0350a61a91d3554e
07 R a31a4ce3698805d5c63add075b43c5628b30d04d26ffa50164820aa220db4c12
08 L 29636fc2cb024cada89eeb3860852be037e18c6aa0a379f816012cb289cd28bd
root 8abdce9357c1ff667c73fa0d4697baa475c1c4ffc76acf3d23768e644332a997