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 ₱485.9K contract to WBX CONSTRUCTIONNational agencies

Transaction hash:

e5295a0eb070c348979d2efe5a4c969c71e9b9168478925c03ebc4e8e60c1daf

Status:

Included and unchanged

Block:

#885 5,128 blocks after it

Position in block:

Transaction 13 of 17

Award day:

Jun 15, 2010 (16 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

WBX CONSTRUCTION

Value:

₱485,864.60

Project:

Construction of multi-purpose building Tiaong, Baliuag, 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 #885 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 WBX CONSTRUCTION on 2010-06-15.
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 e5295a0eb0…0c1dafnow …
2. Block Merkle root changed
stored 72f142f1ae…b0c80bnow …
3. Block #885 hash changed
stored 91e266e523…336f52now …

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

leaf e5295a0eb070c348979d2efe5a4c969c71e9b9168478925c03ebc4e8e60c1daf
01 L d51a33576bcbc17a40fa36545d3a7a5ddb24456a70b5c0190698bfa401bf3fb7
02 R 1d034486363331da09a79a5306528232f90c078c0b291c15f09123754e1d2482
03 L b7b798ca8e39749e81f67c0c27b5e34a5c663a50732294351e87d8cdd9007bb4
04 L c39ac1db72e224bcdf0cf3fb3d6c5f06fe1b78370c3d203133651dd360090782
05 R 9b4d98141c15bf2a8d3aa0034d35b8ea3cf641fb99bdfbad1ddd49a20e362405
root 72f142f1aee4351d47beda9348b095c30b5765ff3f407760eb63f47086b0c80b