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 - ALBAY 1ST DEO Award a ₱9.8M contract to DSB CONSTRUCTION & SUPPLY, INC.National agencies

Transaction hash:

9c4e60d52ae9cc166ecaa1fd61e560d6cc42bbcb78aecb5cc32444e6b9213b72

Status:

Included and unchanged

Block:

#1,459 4,554 blocks after it

Position in block:

Transaction 31 of 51

Award day:

May 21, 2012 (14 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 1ST DEO

To:

DSB CONSTRUCTION & SUPPLY, INC.

Value:

₱9,751,530.33

Project:

12-F-A-0015

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 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 #1,459 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 - ALBAY 1ST DEO awarded it to DSB CONSTRUCTION & SUPPLY, INC. on 2012-05-21.
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 9c4e60d52a…213b72now …
2. Block Merkle root changed
stored dfa192e9cc…8e615cnow …
3. Block #1459 hash changed
stored eee93d3feb…700b7cnow …

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

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 50 records. Each step hashes the current value together with the sibling shown.

leaf 9c4e60d52ae9cc166ecaa1fd61e560d6cc42bbcb78aecb5cc32444e6b9213b72
01 L 9bc22b7fd20999e130116fa380c2ed6a09328d6faf8588f663175d2547abef12
02 L dd97a294f70a74651fe1e721d149ecd34779f49d72b0290fbe3e54e76256dc8c
03 L a1bf43d9eff7b2a911bf65b44c206bb37968e9f1f47c98cf4ad0d8939f60b8ab
04 L 74a3bf7206a5af56edc6898ebd4c55d2313e68766df4b290114bf8fdc2bf08ef
05 L f68190ff15919bd303eab1cd1b4ed9f6a0bb138b4c8a7babe94206c16607b254
06 R 47763795cbd6c18818c194851d10ef9f6893f04c752c5d7aa01effb673204728
root dfa192e9ccd97292981190051f351e59c732f4e05e1f9c94a180f606588e615c