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 - N. VIZCAYA 2ND DEO Award a ₱9.1M contract to BRG CONSTRUCTIONNational agencies

Transaction hash:

f31ffd2a3b933cbf9f69766d1c1f11a82ff5a6513982b68be0e56acf218438b3

Status:

Included and unchanged

Block:

#2,044 3,969 blocks after it

Position in block:

Transaction 94 of 102

Award day:

Apr 7, 2014 (12 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - N. VIZCAYA 2ND DEO

To:

BRG CONSTRUCTION

Value:

₱9,129,067.52

Project:

Construction of Bridges, New (along Arterial Road)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - N. VIZCAYA 2ND 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 #2,044 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 - N. VIZCAYA 2ND DEO awarded it to BRG CONSTRUCTION on 2014-04-07.
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 f31ffd2a3b…8438b3now …
2. Block Merkle root changed
stored 493960e181…e2e227now …
3. Block #2044 hash changed
stored 5638b400c0…e24b09now …

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

leaf f31ffd2a3b933cbf9f69766d1c1f11a82ff5a6513982b68be0e56acf218438b3
01 R f618d53758c23eb7e487fb91fb5302f943ab1a30ba12788596a282d3c2cefbc0
02 L d7ab7660989b9257ef5fe86a765d83ba0d865f030cd93881cab1a89cc1988de7
03 L 5b7696a2d9c3730a6741b52e0350fbe6655122afa6f11c3b019af7c8d97099a4
04 L 85d093066dc58ef6026f91771c9b9a4ec0a7f42fbdc3539d14dd5fc3e5fb5b17
05 L f08d2c97c4944db32b5e91027c09eec9032e675ab48113943dbbf68c97ef294c
06 R 8e387adf0df1889a8608b03754e00733bc844623a0762efff4ace3018bf93e73
07 L 23ea7bb2ce9017b2a3f537f164fedb38a4cc7897cf87a415537364df81a5ab20
root 493960e181fc345a8009cdf93636988973b9b9d6c94bed93d0cfae6367e2e227