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

NATIONAL HOUSING AUTHORITY Award a ₱3.9M contract to TM ABAD CONSTRUCTIONNational agencies

Transaction hash:

1c84fbe2b27a24055fa30d06baccdbfb92026636ffd4711d3355d70ccccc7c9e

Status:

Included and unchanged

Block:

#686 5,327 blocks after it

Position in block:

Transaction 2 of 38

Award day:

Sep 11, 2009 (17 yrs 2 mo ago)

From:

NATIONAL HOUSING AUTHORITY

To:

TM ABAD CONSTRUCTION

Value:

₱3,922,965.63

Project:

Package 3-Construction of 2-Storey Multi-Purpose Health Center Building, Northville 4B Resettlement Project, Brgy. Lambakin, Marilao, Bulacan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

NATIONAL HOUSING AUTHORITY

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 #686 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)
NATIONAL HOUSING AUTHORITY awarded it to TM ABAD CONSTRUCTION on 2009-09-11.
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 1c84fbe2b2…cc7c9enow …
2. Block Merkle root changed
stored 01b588c97b…a923canow …
3. Block #686 hash changed
stored e29fe149cd…d74539now …

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

leaf 1c84fbe2b27a24055fa30d06baccdbfb92026636ffd4711d3355d70ccccc7c9e
01 R 1fe4646163908ac1a060710dd8a38d6ad3e9464a3a6944ba9b5bf9b51cbe02ad
02 L 020728e58f525b326067f3a4726c44e9c7d1f62112d0f89f337bed594ff69f70
03 R 55af409d5277dae5e27b50c2f00d5d809accd9f103ced36c9974798c99c92006
04 R b26a685ab6b3fe723aeef67085fd1238d73145ee7c3180d9f311db783b8706b6
05 R e8f4b642f5f14208bc1e88442f113d953b657b972ca80c8344fa63cb2b041425
06 R 037049c5e1bf65d6d59ed9bfecac30212a42dc8e5430128834f98475f2fd209b
root 01b588c97b6379dc9eb8884185eb917fbc8dc0a88b4ad41abd583baa07a923ca