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 2ND ED Award a ₱545.5K contract to L.A. CLAMOR CONSTRUCTIONNational agencies

Transaction hash:

fa39b1c186f5aee73fcd19f5ed57011601acf0e088b528d6c9f89d77ba9f1137

Status:

Included and unchanged

Block:

#1,580 4,433 blocks after it

Position in block:

Transaction 52 of 54

Award day:

Oct 8, 2012 (14 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 2ND ED

To:

L.A. CLAMOR CONSTRUCTION

Value:

₱545,486.92

Project:

Construction of Drainage Canal Brgy. Poblacion 2, Sariaya,Quezon

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 2ND 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 #1,580 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 2ND ED awarded it to L.A. CLAMOR CONSTRUCTION on 2012-10-08.
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 fa39b1c186…9f1137now …
2. Block Merkle root changed
stored a6d327bf61…8c15e1now …
3. Block #1580 hash changed
stored 8b893cd5c9…cf014bnow …

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

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 53 records. Each step hashes the current value together with the sibling shown.

leaf fa39b1c186f5aee73fcd19f5ed57011601acf0e088b528d6c9f89d77ba9f1137
01 R fc4fc6cec312678294c7109a17aebdbfb4ef4602451773b9bbd1c754f2097591
02 R 039d5fb832857ee3c511541c882046c08565f790945a911fb46c322eea9dc3e4
03 L 9a90d63b4984249cbf98d1a4756684734ca67e1b55252207e67ed6fe8a7d05ed
04 R 9af0114e888801ac886782c5f8a7a1632b56b1d5096279781f8364c2ade5c3c6
05 L 2aacd3b4b5103b4923fa0036a42e28448e29fcb03aabe2df3332b2d74b55f8ee
06 L f658dbc6b6b1d18da6efd7f24bcea3a42ccba0ba6f0f2541b116a63c1e6c2e9f
root a6d327bf61c201f9850e14a6facd1137c7dc4932f6e18acdc3d446e7ba8c15e1