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-BULACAN 1ST DEO Award a ₱490.4K contract to WILDEL ENGINEERINGNational agencies

Transaction hash:

7a5a481d9bca7edc84541e4b6b0914549741173f0b783e8e8f2e6d4b3910d837

Status:

Included and unchanged

Block:

#864 5,149 blocks after it

Position in block:

Transaction 11 of 27

Award day:

May 17, 2010 (16 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

WILDEL ENGINEERING

Value:

₱490,436.64

Project:

Construction of multi-purpsoe building day care center Bulihan, Plaridel, Bulacan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

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 #864 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-BULACAN 1ST DEO awarded it to WILDEL ENGINEERING on 2010-05-17.
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 7a5a481d9b…10d837now …
2. Block Merkle root changed
stored 5fdc06a983…0a20e4now …
3. Block #864 hash changed
stored d9151f775f…c40d55now …

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

leaf 7a5a481d9bca7edc84541e4b6b0914549741173f0b783e8e8f2e6d4b3910d837
01 L 5a73a42a7af540e1c14be80831308cd58c6a176aa3627b22f23462c69bd04de0
02 L d3459d62e8447654f1edcb832ecbf89191342e0e787bde7bfb07f51cfad2aa19
03 R ba9079befc6fe2dcd1087325700bc7a5d6b3eec39e6e6bfdc3725761cc0b8f5b
04 L ceb7662512859150148b3353e300b0a72a88da4a53b7b861043c665f25e63414
05 R 6d3d35f79594e77ec5078757964d2d7541661a5cd86f5e47ed433b80faf8c770
root 5fdc06a9835094650e559fe1ed82520986da6152cf742f300215a2d7c30a20e4