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 - CAMARINES SUR 4TH Award a ₱1.9M contract to S & RV CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

41f578da9291de30e40fcc287df317a9f2cdd7d93c50cc99e47d1ca65d87c5d6

Status:

Included and unchanged

Block:

#4,056 1,957 blocks after it

Position in block:

Transaction 53 of 197

Award day:

Mar 18, 2020 (6 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAMARINES SUR 4TH

To:

S & RV CONSTRUCTION & SUPPLY

Value:

₱1,879,897.82

Project:

20FG0077 - Construction of Multi-Purpose Building

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAMARINES SUR 4TH

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 #4,056 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)
DPWH lists the funding source as "Regular Infra - GAA 2020 LP", i.e. the FY2020 GAA. The exact UACS line is not given.
Partly
Open
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 - CAMARINES SUR 4TH awarded it to S & RV CONSTRUCTION & SUPPLY on 2020-03-18.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 20FG0077: Completed, 100% physical progress.
Found
Open
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)
DPWH marks the contract "Completed" (end 2020-08-07). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 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 41f578da92…87c5d6now …
2. Block Merkle root changed
stored 4f39985970…3f4c06now …
3. Block #4056 hash changed
stored 470e7da356…7a36d2now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 196 records. Each step hashes the current value together with the sibling shown.

leaf 41f578da9291de30e40fcc287df317a9f2cdd7d93c50cc99e47d1ca65d87c5d6
01 L 41749efdf7967c004a7f12817f4c71cee36be30ac2ad7b4593558cb301ae4640
02 R d8c19bf2a43b3c60a52e209cc0c6e1fd6563b3275157f6a2a72d689b899bdc36
03 L 423e0e41038a6066a2a6b4f32b556246ca22ff42ebf958588f1b187c52689a2e
04 R 5453183a8cd7e694ed510e8e930ab78de0268d027e564fa699ab09b818cd0fc9
05 L 598bed465861b5b1b4d2653ebe6b94c72af27ebc53eda9f6f6ce5a3a2f056170
06 L e4d23fa884178e18f99f03f24a85f329abab443f2433e5d2af7036f10c1668c6
07 R bea6d10877ad744338b7d2fe7f302715bb7a8f056a3214e9348eef1724d12368
08 R aba480b3a9831b83dca95c53de0ba17e348ab905aca6adb6c275d3d3b68ba7f0
root 4f39985970d92e0e5dd33f3a650fa0b1d83e7d016129a889372db44f5c3f4c06