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 - ZSEDO Award a ₱6.9M contract to CPAN ENGINEERING AND ENT.National agencies

Transaction hash:

6d727a4e9d870ba6726dcb35a3d56d5a250e69479937b1de1edf2b5b4afbbb72

Status:

Included and unchanged

Block:

#2,140 3,873 blocks after it

Position in block:

Transaction 25 of 61

Award day:

Jul 29, 2014 (12 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ZSEDO

To:

CPAN ENGINEERING AND ENT.

Value:

₱6,942,398.26

Project:

Construction Project

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ZSEDO

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 #2,140 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 - ZSEDO awarded it to CPAN ENGINEERING AND ENT. on 2014-07-29.
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 6d727a4e9d…fbbb72now …
2. Block Merkle root changed
stored 503730c875…64a875now …
3. Block #2140 hash changed
stored ac55bb1ccb…9ce583now …

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

leaf 6d727a4e9d870ba6726dcb35a3d56d5a250e69479937b1de1edf2b5b4afbbb72
01 L 6c2425ee310c9f233976cc02a200e174e1603013a1a789c6a82bd8d9fe54d502
02 R 027a076420c7f290eed60515b134e3666ed37ec33af1f57ae38baaf55b6e8faa
03 R e266ea4028bf33539ee327e446fc7857ad12da1868e6ad783397605f3ea83e78
04 L 434a526b0263aeb1cf7d715e77ee4619f3b5cf9fce6674c67095a077ca514138
05 L 6413f4a47310b0813f4d6550b45f403edd5cb3cd79dbccdf97c2004a8ca54cdb
06 R 8a89730b2fc517bb064d8a1524e81269a8701f27848e4f38bbd84dcc19329e31
root 503730c87521a5ad91c48df9edab32bde1b7e1d6bc590185e598f08b3764a875