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 - CAVITE SUB DEO Award a ₱42.4M contract to HAUSLAND CONSTRUCTIONNational agencies

Transaction hash:

4e93e85360ab6c4c02ddce3e34c2df652e7c29164793736264938a27f666c026

Status:

Included and unchanged

Block:

#2,979 3,034 blocks after it

Position in block:

Transaction 94 of 253

Award day:

Feb 2, 2017 (9 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAVITE SUB DEO

To:

HAUSLAND CONSTRUCTION

Value:

₱42,375,321.56

Project:

17DG0028

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAVITE SUB 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 #2,979 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 - Flood Control/Hydraulics/Drainage, Roads: Rehabilitation - PCCP". The exact UACS line is not given.
Partly
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 - CAVITE SUB DEO awarded it to HAUSLAND CONSTRUCTION on 2017-02-02.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 17DG0028: 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 2018-05-10). 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 4e93e85360…66c026now …
2. Block Merkle root changed
stored 63a205cd1e…8b8267now …
3. Block #2979 hash changed
stored 069e27df2a…d97637now …

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

leaf 4e93e85360ab6c4c02ddce3e34c2df652e7c29164793736264938a27f666c026
01 R 528ec3af6e90bf5bc4b6febdf151174a29f583a21daee97e540f36735de51120
02 L 2ee77f49433605c7092af001051dc0cb8362256712a674eeb1e5783ca695aa63
03 L 848a91bd55bf9cfd2eff96977d0c320ed1dd29ae3d44e10ab7994df7cf68b66c
04 L 549da2253e4457ddafbb707dafe6ac8e4b6c613029c753bc6f5afa705cfb27ff
05 L 571b27fa1826528c4ad4a7064ed62be712c061c01c1a7f131d3eb96c0eeff4c2
06 R dae17b7b22d9164eec9d738e40f8a37071aa67af3dd0b6986b4a1df9118105f9
07 L afb5dead25b84f79b2a1f2801a654d45bf73acd92da5f3797900ed77c69cab46
08 R 72b0897001c2ecd4436408a186114fb92dd6f198ba3637e645ca1ec9c980a22d
root 63a205cd1e67464b7cbda784e75bba4a04655ee860df171448f4aa56608b8267