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 XII Award a ₱477.5K contract to ROCKSTONE CONSTRUCTION SERVICES & SUPPLYNational agencies

Transaction hash:

4fd283d7ff37506b248fa8b1d5397fdaaa93bae3d01600b165ebfb61925f6a3b

Status:

Included and unchanged

Block:

#474 5,539 blocks after it

Position in block:

Transaction 3 of 8

Award day:

Nov 18, 2008 (17 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION XII

To:

ROCKSTONE CONSTRUCTION SERVICES & SUPPLY

Value:

₱477,450.23

Project:

Construction of Multi-Purpose Building (Socio-Cultural Center) Re-Published

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION XII

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 #474 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 XII awarded it to ROCKSTONE CONSTRUCTION SERVICES & SUPPLY on 2008-11-18.
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 4fd283d7ff…5f6a3bnow …
2. Block Merkle root changed
stored 29234d421f…26f3a5now …
3. Block #474 hash changed
stored 7a9cf3cf5a…c33eadnow …

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

Merkle proof (3 steps)

How this one record is tied to the block's Merkle root, without needing the other 7 records. Each step hashes the current value together with the sibling shown.

leaf 4fd283d7ff37506b248fa8b1d5397fdaaa93bae3d01600b165ebfb61925f6a3b
01 L 4155f72a0d2382b89d74c72ff543601a4218a40af5cd85e911df0c70c982a18a
02 L 43130d97b74bcb729be7041f6ed1d8316512b4cad60a6519fa9454adb360180a
03 R d9a9c09ffeaa4af95d896da62913d4e14c9bf7b0b4fb866a4f6fbec623d86e61
root 29234d421fd656c17935d6a14cd05e10196f353628117ce723b20c7f3a26f3a5