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 CITY 1ST ED Award a ₱2.3M contract to P.J. CRUZ CONSTRUCTION & TRADINGNational agencies

Transaction hash:

9dd410f3a7786b4ebf30a3ec350d8e6288952d79ec6b3fb433ebef3a72c4659d

Status:

Included and unchanged

Block:

#1,590 4,423 blocks after it

Position in block:

Transaction 38 of 54

Award day:

Oct 19, 2012 (14 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON CITY 1ST ED

To:

P.J. CRUZ CONSTRUCTION & TRADING

Value:

₱2,254,104.76

Project:

Repair/Improvement of Multi-Purpose Building at Mapayapa 2 Subd., Brgy. Holy Spirit, Q.C.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON CITY 1ST 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 #1,590 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 CITY 1ST ED awarded it to P.J. CRUZ CONSTRUCTION & TRADING on 2012-10-19.
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 9dd410f3a7…c4659dnow …
2. Block Merkle root changed
stored 8862f0ff0a…3885efnow …
3. Block #1590 hash changed
stored 0ef25669ac…3a0b7bnow …

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 9dd410f3a7786b4ebf30a3ec350d8e6288952d79ec6b3fb433ebef3a72c4659d
01 R 9e6839d5215ca12f5b6b0226c4049ef677a0b5f9085fd0febd1cf47e72f6bd4c
02 L ad4bb291ad39d8fba7dee3b42a7fc444d797ac4da4e61ef79178419f0eef98ac
03 L 8f6cdbaf7b61762a635da9a1c8443f1e7e6dea27b8089d4de12fe348964a8e31
04 R d6bf9141f66b3ffc01eeef9b378f361836f02c5f8b0c39580d28e56a95467bc6
05 R dd04bec52462d98c2582ad62449c9d907a0636fe69ca6d1eeffc211a8c5021c8
06 L f1a71e527b143080302fa0bf1ceb6cbbff3ced7547c5669ba9ff1427ac3e6295
root 8862f0ff0ac32ecc7eac8bc4ab53f9e0311dfb9c973e26b8766dbf8e393885ef