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 - SMMSED Award a ₱3.8M contract to DAVHEZ TRADING & CONSTRUCTIONNational agencies

Transaction hash:

1e67f72bc6b76fda563b80866e842142dd3a705ec2afce21ff19e902f666d72d

Status:

Included and unchanged

Block:

#1,005 5,008 blocks after it

Position in block:

Transaction 2 of 28

Award day:

Nov 17, 2010 (15 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SMMSED

To:

DAVHEZ TRADING & CONSTRUCTION

Value:

₱3,812,826.70

Project:

Construction of multi-purpose building, Brgy. Talon 2, Las pinas City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SMMSED

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 #1,005 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 - SMMSED awarded it to DAVHEZ TRADING & CONSTRUCTION on 2010-11-17.
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 1e67f72bc6…66d72dnow …
2. Block Merkle root changed
stored f63ba7f6ec…c7005anow …
3. Block #1005 hash changed
stored 8aaa593d8a…f06bacnow …

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

leaf 1e67f72bc6b76fda563b80866e842142dd3a705ec2afce21ff19e902f666d72d
01 R 1e7a968a895d2ff43716af6af06fa92b2f6d5136aebfdfa1a84724dbb6a2808f
02 L de71d7c1dd486e0c9bfbfe22881a17b11c92c90a832b82e19e366d28580b9ed4
03 R 5b28949a252b22700e8d8b7f56916baa8bd6b99c4ad3ef369fc99b1f05ed5188
04 R 2981a9d5819591da9a573828c66cd93eeca473371c210e585653e97b9cec4076
05 R 93548d185e6d3712736198cb6f08ad042d17fa3ce936ca012a86d207fe1116a4
root f63ba7f6ecad830af531a28c47d6baa97ddfe2008d5ca5ffe9328bea34c7005a