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 ₱5.2M contract to UNAYAN BUILDERS AND CONSTRUCTION SUPPLYNational agencies

Transaction hash:

6146d366d29efafb671a144ce187ce819e3ea9cc62f70639fe8e7c2290e35c07

Status:

Included and unchanged

Block:

#569 5,444 blocks after it

Position in block:

Transaction 10 of 26

Award day:

Apr 1, 2009 (17 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - LDN 1ST DEO

To:

UNAYAN BUILDERS AND CONSTRUCTION SUPPLY

Value:

₱5,185,170.02

Project:

Cluster A - Construction/Rehabilitation of Multi-Purpose Buildings and Rehab. and Construction of Culvert in various Barangays of SND, 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 #569 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 UNAYAN BUILDERS AND CONSTRUCTION SUPPLY on 2009-04-01.
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 6146d366d2…e35c07now …
2. Block Merkle root changed
stored f0891822e5…199643now …
3. Block #569 hash changed
stored 4049a294fd…3c56c4now …

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

leaf 6146d366d29efafb671a144ce187ce819e3ea9cc62f70639fe8e7c2290e35c07
01 R 70b46e250c674188f1d56030d9c041440f0df2a426c9b873ddeea794e47b94df
02 L a7dab00273e9fec7196f717a3d274416584e47dbe2ee6c9717236f3b3f5b60dc
03 R b81fca1f1b9a4d3450be4abe8c1ac1c398e131cb5da146a2bda426e809bfb67d
04 L 8b18ac413ba1afda886f8e35117486aa2bed4548b0d99c0cd96cf27c66e0c01b
05 R 4d3e87618094a2da9ede7431473ca6343c3179ffd06abf1d4a1d56b86e2131f9
root f0891822e501595b5879bf1f93cf2f772967cb4bc197a841aebc68e7e5199643