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 - QCFED Award a ₱2.4M contract to FERDSTAR BUILDERS CONTRACTORSNational agencies

Transaction hash:

a7b45882a8532b4d05dcbd2f1cedc0e943a89fb3a30a14a37685c3635cbfcc74

Status:

Included and unchanged

Block:

#697 5,316 blocks after it

Position in block:

Transaction 11 of 18

Award day:

Sep 28, 2009 (17 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QCFED

To:

FERDSTAR BUILDERS CONTRACTORS

Value:

₱2,412,491.13

Project:

Improvement/Rehabilitation of Multi-Purpose Bldg. Brgy St. Peter Phase II, Q.C.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QCFED

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 #697 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 - QCFED awarded it to FERDSTAR BUILDERS CONTRACTORS on 2009-09-28.
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 a7b45882a8…bfcc74now …
2. Block Merkle root changed
stored d3e98b05d2…3746cenow …
3. Block #697 hash changed
stored a7515eeb25…20e713now …

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

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 17 records. Each step hashes the current value together with the sibling shown.

leaf a7b45882a8532b4d05dcbd2f1cedc0e943a89fb3a30a14a37685c3635cbfcc74
01 L a360d02a55a08a5928c81b0d2bc6fda5deea7d8af09ab38af096e0d802b240a6
02 L 8592bef3e9a430324e4719cbc0f3649c7d4970e0fa21f655d1b535da50dfb951
03 R 905163aa8863f7a82bd6bed9c4606415bf5689f193e76665ceaefe5cba7b179a
04 L 4e5c0a12c6aad8ebad417435434f89bc0bae75aa8cb5f8acc3d0c2ed9ed402fe
05 R 377c84e492743c62b100203fb3f942bb770e93a7045adc37343bab776903703f
root d3e98b05d2f1db20e946411383e41bea7a29639a5142c7f691830e5b1c3746ce