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 - BULACAN 2ND DEO Award a ₱979.7K contract to PKCS CONSTRUCTION AND HARDWARENational agencies

Transaction hash:

7e7fc8177a318e14a82fb0809525636eca37f2834d4e5e58dc667d1bbeba6c3a

Status:

Included and unchanged

Block:

#1,566 4,447 blocks after it

Position in block:

Transaction 40 of 70

Award day:

Sep 21, 2012 (14 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 2ND DEO

To:

PKCS CONSTRUCTION AND HARDWARE

Value:

₱979,708.50

Project:

Concreting of Road, Brgy. Narra, San Jose del Monte City, Bulacan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 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 #1,566 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 - BULACAN 2ND DEO awarded it to PKCS CONSTRUCTION AND HARDWARE on 2012-09-21.
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 7e7fc8177a…ba6c3anow …
2. Block Merkle root changed
stored ea9230b4f9…0e9319now …
3. Block #1566 hash changed
stored 0c417ffe99…94cbb8now …

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

leaf 7e7fc8177a318e14a82fb0809525636eca37f2834d4e5e58dc667d1bbeba6c3a
01 R 83c3e33f3b6a6ea677db5f93a2e3af1c5982a2f704725002ecf978df2450b9b0
02 R fd9939c4d401963a093bf20ff3b407903fbda6b78711d4aa547b1ca5c7675aad
03 R 66ff6a61610d10f063f12c85f083d970ca7719b3a4d1e85546ba37fb46759114
04 L 964ead1f6078764da66e4626199783340a2675412f69bc26a738444818e281f7
05 R a801643b45721e5dc087b0b068bb8e5483146c68dd43a5d3165cf9451a049aee
06 L 26a874412494d1acbb5e1f6f35d566faf8dd2ab7dece8de13a813bb5f595b15c
07 R 399845616cdda919868389e79749dcb9cbba85a040b12d59218164ac7518cc8e
root ea9230b4f9f51a8fd8e168d03d74dd5236d41fc43c8f8524dca8086d710e9319