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 IV-B Award a ₱6.6M contract to CITYSTAR CONSTRUCTIONNational agencies

Transaction hash:

d156be3aa2c217467bb61d772356d5c26b1fde8faff883958e84f8e04a846ca7

Status:

Included and unchanged

Block:

#1,867 4,146 blocks after it

Position in block:

Transaction 48 of 58

Award day:

Sep 19, 2013 (13 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION IV-B

To:

CITYSTAR CONSTRUCTION

Value:

₱6,602,397.78

Project:

Construction Project

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION IV-B

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 #1,867 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 - REGION IV-B awarded it to CITYSTAR CONSTRUCTION on 2013-09-19.
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 d156be3aa2…846ca7now …
2. Block Merkle root changed
stored cb1716a609…4cfb60now …
3. Block #1867 hash changed
stored ab0cc4357f…2d69aenow …

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

leaf d156be3aa2c217467bb61d772356d5c26b1fde8faff883958e84f8e04a846ca7
01 R d6424fa6f84c4ea22a994d2b03741e1a42fa00a0d7520869ea6694ed470c2bc2
02 R 456387237c2285c5e6f1a5adf34778c878489b89df0f576434d2054b956979b6
03 R 89a401a4d00ad82cebae3740272dafa5969757771c3d02453ebe57cb9c007fc5
04 R 20f762761af51a38a2fe1a5a22351158844dfa3108751549447bb61372d210c1
05 L 32fddc4663086cfd87965b12018488a25d45b5fca1437b16963cfaa547b9e476
06 L 86843fc0c22c1f9a005d92fd90fb5e2df0e372b9d2396f204fc7d68b0b9f9f02
root cb1716a609a9a449e8c3cacd9afcfccf7900b472a53b04869014dbde5a4cfb60