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

CENTRAL LUZON STATE UNIVERSITY Award a ₱4.5M contract to SERDNA CONSTRUCTIONNational agencies

Transaction hash:

bfb5b56c61dbfb659cc8c358540fdd8812570149d89baf4e6901f01da1e42b13

Status:

Included and unchanged

Block:

#1,992 4,021 blocks after it

Position in block:

Transaction 58 of 79

Award day:

Feb 5, 2014 (12 yrs 9 mo ago)

From:

CENTRAL LUZON STATE UNIVERSITY

To:

SERDNA CONSTRUCTION

Value:

₱4,489,083.50

Project:

Lot 1

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CENTRAL LUZON STATE UNIVERSITY

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 #1,992 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)
CENTRAL LUZON STATE UNIVERSITY awarded it to SERDNA CONSTRUCTION on 2014-02-05.
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 bfb5b56c61…e42b13now …
2. Block Merkle root changed
stored c923f16c34…3339adnow …
3. Block #1992 hash changed
stored 96ed520171…59c6canow …

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

leaf bfb5b56c61dbfb659cc8c358540fdd8812570149d89baf4e6901f01da1e42b13
01 R c19046add43adcaf1f49cb4a4a17d6e036ec42b6e22503ff38457e05257617f0
02 L a2644b8c7d9b1a43c0d529b3f60bb70055776ec933018ab9aa03a290fc477fb8
03 R 4423262f944f86dff77941abd4194bfc88534e4ac2e7485a99c41d96c3f904e7
04 L 775116d6143341b950457475a65bf4c5f795c2f76ed836827bd3c5b8bc29694a
05 L 0a9a2feebc497469fd2a9187c8216ce5876c0d2527b74c2f36a446b76febee3e
06 L d5f2f4ea01fdae9a2f585d645c769d0b55b722eed43ca84cde94095b2627aaa4
07 R 320a1c8b218e1b6bdf33b4f9df052af78d4dbfde9dd31aba7e319f590e9e2900
root c923f16c34e195cd6e60386d270fdb95c168d7d3c24517ddf0937e9d3c3339ad