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

PROVINCE OF AKLAN Award a ₱3.9M contract to PASTRANA CONSTRUCTION & SUPPLIESProvinces

Transaction hash:

fb1b03e07490dcb6870744e26d071b14fc32f4ca3bcbe88aa347db197d38aa8f

Status:

Included and unchanged

Block:

#1,528 4,485 blocks after it

Position in block:

Transaction 25 of 26

Award day:

Aug 8, 2012 (14 yrs 3 mo ago)

From:

PROVINCE OF AKLAN

To:

PASTRANA CONSTRUCTION & SUPPLIES

Value:

₱3,910,951.52

Project:

FARM-TO-MARKET ROADS PACKAGE PROJECT NO. 1 Improvement/Rehabilitation of Sixteen (16) Barangay Roads Agabanawan, Badiangan, Cerrudo, Daja Norte, Daja Sur, Jumarap, Linabuan Sur, Mambog, Mangan, Mug

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PROVINCE OF AKLAN

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 #1,528 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)
PROVINCE OF AKLAN awarded it to PASTRANA CONSTRUCTION & SUPPLIES on 2012-08-08.
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)
COA's CY2024 audit of Aklan gave a "qualified" 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 fb1b03e074…38aa8fnow …
2. Block Merkle root changed
stored 0044807bb6…596b6enow …
3. Block #1528 hash changed
stored 4cf63f57a4…7baf67now …

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

leaf fb1b03e07490dcb6870744e26d071b14fc32f4ca3bcbe88aa347db197d38aa8f
01 L f316ee9ff76f23d2a584ae32f2dd00c47daf4341c08ac662f9d12f4e1f61eb1b
02 R 528e2c3321082792d01df41f97783ba5868b780b5b7b683eaa13388929801ba8
03 R bf9af763424ed7ac8973bc29689bc03005dbefe4f77346f6e5a7442511d3f8d7
04 L 65504c40a825faa0a8dadb52427cf0fbf76cf076e122c476f59a50775667d0fc
05 L cb9b2cf033c939c83ec31e3464208a1a2828018071dfde55ecb2729de0cea58a
root 0044807bb68021bbd13894cfb49f727add02d3f49b9336d6591dd4a52e596b6e