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 RIZAL Award a ₱754.0K contract to AHA CONSTRUCTION AND BUILDERSProvinces

Transaction hash:

71ac9b08680c99bef3d2a5a4663b3f3ca3ac14d022b72967d1e391e0d7c186b9

Status:

Included and unchanged

Block:

#339 5,674 blocks after it

Position in block:

Transaction 18 of 43

Award day:

May 15, 2008 (18 yrs 6 mo ago)

From:

PROVINCE OF RIZAL

To:

AHA CONSTRUCTION AND BUILDERS

Value:

₱753,997.87

Project:

Const. of Shallow Well, Waiting Shed, Repair of School Bldg. and Repair of Multi-Purpose Bldg. at Brgy. Bangad, Sapang, Ginoong Sanay, Pipindan and Kasile, Binangonan, Rizal; a. Const. of two (2)-unit

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PROVINCE OF RIZAL

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 #339 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 RIZAL awarded it to AHA CONSTRUCTION AND BUILDERS on 2008-05-15.
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 Rizal gave a "not stated" 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 71ac9b0868…c186b9now …
2. Block Merkle root changed
stored 96ce26b9d0…69142dnow …
3. Block #339 hash changed
stored abe66bb7c5…2bb2ecnow …

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

leaf 71ac9b08680c99bef3d2a5a4663b3f3ca3ac14d022b72967d1e391e0d7c186b9
01 R 73131e2e80d38c8d62dfa2e689438d04855c3cd499ea4b58b78e507c64dec7cb
02 L 096e185b4d4b821bba504b8dd7b0ef71b5029916f02027ba8799780fccde8b87
03 R 7fe4d850b923ee0591dbfe6fd49abe3b5c7145b4ab14f5ebc5909cbac8ebd289
04 R f714fe0a18d8f713d6eb290a32d3d7c0eedfce1ec57eb48c0216351dcaa8bdc0
05 L f164a024a0551bb1a9f8b6f06b8bf64933825c95bd50b662a8d7cd8b21330e3a
06 R d389e73504fd418d512248105e9e30e435145072936e8166a7d6b45a136838b6
root 96ce26b9d0b7a2d8c5d0c9ea2012cb9614ecc0ec7a9773725308882d8c69142d