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 & HIGHWAYS - LDN 1ST DEO Award a ₱1.4M contract to MENJER CONSTRUCTIONNational agencies

Transaction hash:

2d766dcda72aed6a372810cb598b2e8a49e12e0477dc5dc546cfafcd20e49cd2

Status:

Included and unchanged

Block:

#963 5,050 blocks after it

Position in block:

Transaction 4 of 30

Award day:

Sep 22, 2010 (16 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - LDN 1ST DEO

To:

MENJER CONSTRUCTION

Value:

₱1,386,041.86

Project:

Cluster IV - Construction of Four (4) Units Multi-Purpose Buildings and Construction of Two (2) Roads in Various Barangays of Lala, Lanao del Norte

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - LDN 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 #963 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 & HIGHWAYS - LDN 1ST DEO awarded it to MENJER CONSTRUCTION on 2010-09-22.
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 2d766dcda7…e49cd2now …
2. Block Merkle root changed
stored d3a7cb07d0…ec2e83now …
3. Block #963 hash changed
stored 20a2150420…4907c8now …

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

leaf 2d766dcda72aed6a372810cb598b2e8a49e12e0477dc5dc546cfafcd20e49cd2
01 R 3373c363e330443daa639a99e6aa3e836f1225b533b0dad6e2195b33185a8447
02 R 48c9f6f849e14f6652ae8d27167b9e49d09c74baad6a139b4080bb257bd59300
03 L 555c9f1051bbe0dfcb2eb3a233fe5633a4f5c9f89b125311aa3c5305d7765b05
04 R 84f5bcdf2a03fc63ce58afaa7e2c8feed5645ab827fb0da2c905b8a0e040f148
05 R 1b52008b078bc5c1a3183e65611c25460bb6a90fd2f7bf8739660f7e9dfe226f
root d3a7cb07d01ede486469e1c8113f82cde0798bcc647316c66d42cacf4dec2e83