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 ₱964.6K contract to 525 CONSTRUCTIONNational agencies

Transaction hash:

89d2c3ff0ff41befd699a35a6c28731fd251ee85359ae290ed3f282ebef1a9aa

Status:

Included and unchanged

Block:

#1,059 4,954 blocks after it

Position in block:

Transaction 17 of 26

Award day:

Jan 28, 2011 (15 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

525 CONSTRUCTION

Value:

₱964,578.48

Project:

Package XXIX-PMP-10 Rehabilitation of roads Cupang & Siling Bata, Pandi, 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 #1,059 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 525 CONSTRUCTION on 2011-01-28.
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 89d2c3ff0f…f1a9aanow …
2. Block Merkle root changed
stored 03fdbe9c7a…e65deanow …
3. Block #1059 hash changed
stored 780d3c3be3…36a28cnow …

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

leaf 89d2c3ff0ff41befd699a35a6c28731fd251ee85359ae290ed3f282ebef1a9aa
01 L 71131bd8f2c4b7d1ace97bd2d78574442168a2b214a371690ae44c290ec05cc3
02 R 535f227ddc781a702c3c43b5710ece3d2175231965691558d1c74025ee3872c1
03 R 4e7aebed4732607172dc075f6fbe0712a9aeac71cd7801c4999b43aae2427a5d
04 R 9a7093621b6c6e1b2abcebe87d99431cb907f09b5f798098096bb63042301504
05 L b9b646ecd207f4bc2f9244a16cedcbb6351f3c02010a1993ee78121d7375e4af
root 03fdbe9c7aea4d4963e40dd9cb6234a2e3a9e4a78ae25d8a2e01e16402e65dea