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 - REGION I Award a ₱259.5M contract to NORTHERN BUILDERSNational agencies

Transaction hash:

ee97dccb2c82ca463f2ac81fa05327173154eff131239ce09125a51bf9616965

Status:

Included and unchanged

Block:

#2,779 3,234 blocks after it

Position in block:

Transaction 198 of 216

Award day:

Jun 30, 2016 (10 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION I

To:

NORTHERN BUILDERS

Value:

₱259,456,260.03

Project:

16A0013

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION I

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 #2,779 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 - Bridges-Construction-Concrete, Roads: Construction - 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 - REGION I awarded it to NORTHERN BUILDERS on 2016-06-30.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 16A00113: 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 2018-02-14). 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 ee97dccb2c…616965now …
2. Block Merkle root changed
stored 23abc5f115…4150bfnow …
3. Block #2779 hash changed
stored 72656bbd46…c7b136now …

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

leaf ee97dccb2c82ca463f2ac81fa05327173154eff131239ce09125a51bf9616965
01 R eeebe257bdac486ebad1452d5cb00911907194255acd01abd8d59dc19fc9ef27
02 L b9821d63b57fa6990c174a844554b01107559e75a6464123b74b091c0500a47c
03 L 0c670d3179c2d659fb993244918570ecd987468a95ca55322549dd6a87789fa0
04 R 01383d44ad6b02fbaa5986afdbf98a30d6a4586e2249163ab627d3efad5ba46a
05 R 4cd1d09af36d6faceef6682c4142fc630f68544853e7cd8f18bad58aa8d5d624
06 R df66ea2df8c4b9b5775739d6885a95ac89ec2e6d467329ddbf463bd5c089d2e9
07 L 54fa82e1999966ba83be38e2246c8ebf33d1791fc76ca187cadad102ee10e6a6
08 L 287b88fbe3d5007019756113d0781932dedfcedd28fbc4fca636cac08402b8b0
root 23abc5f11522544cb525b1a878148b957940ecc6ec998f77d26c52c0fe4150bf