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 - QCFED Award a ₱1.4M contract to VTJ CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

a7f689aa208fc4e5c8e9b20ce46992df0a4364c69e446d62a33909ac943ab8b8

Status:

Included and unchanged

Block:

#696 5,317 blocks after it

Position in block:

Transaction 17 of 23

Award day:

Sep 25, 2009 (17 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QCFED

To:

VTJ CONSTRUCTION AND SUPPLY

Value:

₱1,447,471.56

Project:

Improvement/Rehabilitation of Multi-Purpose Bldg. Brgy Del Monte Phase III, Q.C.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QCFED

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 #696 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 - QCFED awarded it to VTJ CONSTRUCTION AND SUPPLY on 2009-09-25.
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 a7f689aa20…3ab8b8now …
2. Block Merkle root changed
stored 7f79e40bab…25eb01now …
3. Block #696 hash changed
stored b4986e1dee…813d84now …

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

leaf a7f689aa208fc4e5c8e9b20ce46992df0a4364c69e446d62a33909ac943ab8b8
01 L 94db7b2a27e685cb3084852c65dc4f72aeeb0179f5cac2cd34138c0986dbc816
02 R 68d5fd8bb562760eb177bee34a771e7a483a2066f7ceb3134cc244523746d1eb
03 R 632f93fb98ab7e50d7969505cd2ba83c79e4999f2ff9eabdee115e7858d76b81
04 R 6051fc5460a0dbbe08efbd99a6167732e0f5810e7e86d67545f3ed6515c083a3
05 L 337ee5e6945f8514b3adb6a8fdd27ae9eb353f3710c41b83c7ca976b36f16d43
root 7f79e40babc1455877b32232d80a62958d24feae614d030a7b5733304525eb01