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

CITY OF MAKATI Award a ₱9.8M contract to AARCON BUILDERSCities

Transaction hash:

db0b987ea36599c230cfb71de02c31a6881ab3f2756571c9db29519817fe0793

Status:

Included and unchanged

Block:

#1,590 4,423 blocks after it

Position in block:

Transaction 48 of 54

Award day:

Oct 19, 2012 (14 yrs ago)

From:

CITY OF MAKATI

To:

AARCON BUILDERS

Value:

₱9,822,186.00

Project:

Proposed Road Improvement of 31st Ave., 22nd Ave. Alley, 14th Ave. Zone 4, Alley bet. Masagana & Mahinhin & 14th Ave. Zone 2, located at Brgy. East Rembo, Makati City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CITY OF MAKATI

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)
CITY OF MAKATI awarded it to AARCON BUILDERS 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)
COA's CY2024 audit of City of Makati gave a "unmodified" opinion on its financial statements (not specific to this contract).
Partly
Open

1 of 8 documents found, 1 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 db0b987ea3…fe0793now …
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 db0b987ea36599c230cfb71de02c31a6881ab3f2756571c9db29519817fe0793
01 R dc782d84f7a686ab436d8042492ae337b51665408079e0bad5e75b99f037c5cc
02 R f3c9f97ca6d76cc698db142155cd05ab60bdbd4b968bb408e9dd7d34bfe017b8
03 R 5a80f382bb55c4155345fc16509d161fb82cee19e2d7d5b338ed74b9408f5615
04 R b2d43a262ad68fa6023b1c0bbb5a15a923ee6866adca545785231d205ecbd08a
05 L ef4faba5ab06c59c6448281b5c3696b5dbdc2e537f3bf92e93ebbe7b75ad4864
06 L f1a71e527b143080302fa0bf1ceb6cbbff3ced7547c5669ba9ff1427ac3e6295
root 8862f0ff0ac32ecc7eac8bc4ab53f9e0311dfb9c973e26b8766dbf8e393885ef