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 IV-B Award a ₱44.2M contract to CAVDEAL - CAVITE IDEAL INTERNATIONAL CONSTRUCTION & DEVELOPMENT CORP.National agencies

Transaction hash:

164a794eccf8e0bc90e6d91cad77ceb220b0f8d9bf1d2a1e14d66fa599b1e6e7

Status:

Included and unchanged

Block:

#1,772 4,241 blocks after it

Position in block:

Transaction 11 of 66

Award day:

Jun 6, 2013 (13 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION IV-B

To:

CAVDEAL - CAVITE IDEAL INTERNATIONAL CONSTRUCTION & DEVELOPMENT CORP.

Value:

₱44,185,660.54

Project:

13000000000

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION IV-B

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 #1,772 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 IV-B awarded it to CAVDEAL - CAVITE IDEAL INTERNATIONAL CONSTRUCTION & DEVELOPMENT CORP. on 2013-06-06.
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 164a794ecc…b1e6e7now …
2. Block Merkle root changed
stored f6d1e35dba…3b1546now …
3. Block #1772 hash changed
stored 50bf139a98…453eeanow …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 65 records. Each step hashes the current value together with the sibling shown.

leaf 164a794eccf8e0bc90e6d91cad77ceb220b0f8d9bf1d2a1e14d66fa599b1e6e7
01 L 152b9a0a3f8f740c35c33bb3272020973a65829c311f5de67a177e347e30c354
02 L 4d4caff39e2969a8dd4f0867652d1eae457476faee976ecd04c209af753e50b0
03 R b8e01364b4b7400365d974376de931d9e7b8ef9d88439b270722d1bc07b287d9
04 L b86c2877e05a4e2dc99b7ec832b880cb34fcfbccb7a3fa3271d059b9ff57c121
05 R 7b43f7b72f83d9c3b4443dc00a52afa99eb5700029388aab6035d19f39c81be0
06 R 2ce803f9bc2e2bd2c840d1c1c78523498db29036c39c9a71f4dcb95b9b8e648f
07 R f5c1b44f6506a5ffdac1c45e8a721d3e712b369b8cddf7a43fb392f52c31dc34
root f6d1e35dbab93f35365bc2acc4c7612d6518eda18127c7ec619d3524d43b1546