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 4TH DEO Award a ₱27.5M contract to R.V. LABORTE BUILDERSNational agencies

Transaction hash:

e9ebd7efa05ddc1a7bca906ed8e972ae23d88d99166d951d537de6c1010738e4

Status:

Included and unchanged

Block:

#1,111 4,902 blocks after it

Position in block:

Transaction 23 of 27

Award day:

Apr 4, 2011 (15 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 4TH DEO

To:

R.V. LABORTE BUILDERS

Value:

₱27,540,366.58

Project:

Cluster I - Rehabilitation/Construction/Upgrading of Damaged Paved National Roads, Daang Maharlika

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 4TH 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 #1,111 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 - QUEZON 4TH DEO awarded it to R.V. LABORTE BUILDERS on 2011-04-04.
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 e9ebd7efa0…0738e4now …
2. Block Merkle root changed
stored dcf609b5c0…81f64anow …
3. Block #1111 hash changed
stored 275c330d77…630572now …

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

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 26 records. Each step hashes the current value together with the sibling shown.

leaf e9ebd7efa05ddc1a7bca906ed8e972ae23d88d99166d951d537de6c1010738e4
01 L e10e7b0ec6ef24637ca1673e40857d7087a9133189bedea0fa2149a5a1dae34b
02 L b3740845f0853af3a07387d03a2f36392839a09b7a535f6d96ba0f132deb8246
03 L 01d3348deba37e7ff9608f7681c03abda3ba882a279096f824fe7897f4d1e059
04 R 997438e5b140e25848ed38575c8c72ae0eb34e07d430a0a785b9ab440eba8729
05 L 4cade1a228796de95ba343b4525bf290601ca5a997d9331734f8cab9b9c73c89
root dcf609b5c0da6f1382e3b6a97b315b2af90098aa1cc4d594049de167dc81f64a