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 - CAR Award a ₱4.4M contract to EPN BUILDERS & DEVELOPERSNational agencies

Transaction hash:

e2b2cc4e398975fd422b88e920d2b5a3f9c2f7043e04c969ecdf3f476602c989

Status:

Included and unchanged

Block:

#1,898 4,115 blocks after it

Position in block:

Transaction 48 of 55

Award day:

Oct 23, 2013 (13 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAR

To:

EPN BUILDERS & DEVELOPERS

Value:

₱4,388,249.43

Project:

13PG0039 CLUSTER CONSTRUCTION OF WATER AND SANI

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAR

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 #1,898 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 - CAR awarded it to EPN BUILDERS & DEVELOPERS on 2013-10-23.
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 e2b2cc4e39…02c989now …
2. Block Merkle root changed
stored 4559da4ca4…adb65dnow …
3. Block #1898 hash changed
stored 8e218b21ed…86529enow …

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

leaf e2b2cc4e398975fd422b88e920d2b5a3f9c2f7043e04c969ecdf3f476602c989
01 R ef794f097b5c23312bfc46333aef1a17960e83077c8e263173addd08a2001107
02 R 958b98d8d5406ce98fd1f1acd2b253596a5d4a08a68559a053b62ec83d18de39
03 R af7b1faacd7bb422dfae59f70e8debd4ff1e5c363586928d33f27ba747e704bf
04 R 9d382cc6430f4a9f8ed58a51c7074c455f947847e75b399d2bb55ccaa7ed46b5
05 L 44a1b35044c3ab18397ecd9c380faa77553efdc9645c7d9cc34ec58e02e8faad
06 L 0ec77f8e25014e8b74c7693458d8f9b3d19402871cf18da8e263e5dfa5b93bec
root 4559da4ca4173e827efe123a6c03bfd15d55918ce516dbb49f3587b264adb65d