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 - REGION VI Award a ₱4.5M contract to PASTRANA CONSTRUCTION & SUPPLIESNational agencies

Transaction hash:

9ec50a8f65bccc0ea9b9faaa7f4bc2f20e37414457ad36f78bf087c7bb647830

Status:

Included and unchanged

Block:

#915 5,098 blocks after it

Position in block:

Transaction 9 of 15

Award day:

Jul 27, 2010 (16 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION VI

To:

PASTRANA CONSTRUCTION & SUPPLIES

Value:

₱4,473,481.10

Project:

Rehabilitation of Aklan West Road (Repair/Rehab of National Road along Nabas-Malay, Tolingon & Namao Section) (Km. 224+200 – Tolingon Section) (Km. 251+500 – Namao Section)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION VI

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 #915 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 - REGION VI awarded it to PASTRANA CONSTRUCTION & SUPPLIES on 2010-07-27.
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 9ec50a8f65…647830now …
2. Block Merkle root changed
stored a6de46c91b…63b67fnow …
3. Block #915 hash changed
stored 80e1ecebd7…374becnow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (4 steps)

How this one record is tied to the block's Merkle root, without needing the other 14 records. Each step hashes the current value together with the sibling shown.

leaf 9ec50a8f65bccc0ea9b9faaa7f4bc2f20e37414457ad36f78bf087c7bb647830
01 L 974d56f95dd35f7a409a3817dd71567b131a64b9c6d43d75cfe3fd23d77a05c3
02 R 4df8c1dd8a127984508d9c561a908c1fbc357f875150bedcaec0c2b811210eff
03 R d8db536ba205ae4962cccfdb608a378479c16a22fdb4d17bc87069506f5a21ab
04 L 5f0761858b16c51da926cc4dba28355ed3520a19c3bd4d89676ddf3821885130
root a6de46c91b5de0fa812f21ce9a7d0a022a19d5ed2c2c9f36c7cad35e3663b67f