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 - ISABELA 2ND DEO Award a ₱1.1M contract to A. DE GUIA CONSTRUCTIONNational agencies

Transaction hash:

e72ced4945dcf95b9bea1c07487c70c59053529e517c13b964eaaeac5c578cc7

Status:

Included and unchanged

Block:

#2,191 3,822 blocks after it

Position in block:

Transaction 106 of 122

Award day:

Sep 24, 2014 (12 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 2ND DEO

To:

A. DE GUIA CONSTRUCTION

Value:

₱1,086,625.62

Project:

14BF0047 Const. of Standard 1STY 1CL SB,Casala ES

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 2ND 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 #2,191 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 - ISABELA 2ND DEO awarded it to A. DE GUIA CONSTRUCTION on 2014-09-24.
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 e72ced4945…578cc7now …
2. Block Merkle root changed
stored efc861cfd4…22df1anow …
3. Block #2191 hash changed
stored ffd578ff44…81da76now …

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

leaf e72ced4945dcf95b9bea1c07487c70c59053529e517c13b964eaaeac5c578cc7
01 R ea2c72d41346dbc152b5c6da15f1fbb09c9f3284ba9fd4e6d91de60ca76c159e
02 L e122fb8fa0a86754738203657c769162f1d14729410955e354eaf870c88d4abf
03 R 431ec202ec1b5f78451e243b61e84d4f0cc419509dd117e993a9b8ad480e2e8d
04 L c18bab21c12ef7a89b135e8a8b8aea3ce42453bb2babd4bb606c394c0b31dcfa
05 R 269772812c395809e33d712418a99f3a5c775ecefa9dd0aa26c5286533688273
06 L 1dd10c051c900a60b17c731473ec961da43a143ad0e4dd8b0c39dc5ce914cdb1
07 L 2f77c523ab682385d7bac83c804e5454f1af9951379b3ae61ade6d677ffaa311
root efc861cfd42920e0fb1652f1e5961b9031574db70cceb66652890f54f222df1a