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 - COTABATO SUB-DEO Award a ₱779.0K contract to PSN CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

5a31e982fd746a4ca2cbbb9846fcd5c942a87816f20c2afa6308cc4a7027f0d7

Status:

Included and unchanged

Block:

#4,252 1,761 blocks after it

Position in block:

Transaction 34 of 102

Award day:

Oct 16, 2020 (6 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - COTABATO SUB-DEO

To:

PSN CONSTRUCTION & SUPPLY

Value:

₱778,998.45

Project:

20M00185

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - COTABATO SUB-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 #4,252 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 - COTABATO SUB-DEO awarded it to PSN CONSTRUCTION & SUPPLY on 2020-10-16.
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 5a31e982fd…27f0d7now …
2. Block Merkle root changed
stored 093b9be560…1bbda7now …
3. Block #4252 hash changed
stored 84aa11626a…f93f28now …

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

leaf 5a31e982fd746a4ca2cbbb9846fcd5c942a87816f20c2afa6308cc4a7027f0d7
01 R 5a84cebbb9ee70bd1a5b458e5d16ef3665a6f51adf6a60f635c1166909cae073
02 L 162015700707bacdf896eee1317ac5f6b01a8206e644e7dc889f5350fa004900
03 R 9a7437170fbf0a4aa3508588cc86d26c733acbd0a43f1bf25c839fce8efb01db
04 R fc48175d6d52e8f969cd14e9c73eb0a53b1cd4796f72948aeec7776b630c1fb4
05 R fff0358217b75dd75b5ec74d0af78b100341d3f18baff2e09f761794c2ee0a6f
06 L 871550159698768161168fd562cb09733136bea7e5abf3662754fa9034efd45e
07 R 328419eed869d05bc5bf78421cd76af705a01531bc56693da20a6f6a7edffda1
root 093b9be5600d19b18543303358f528a5c16ca30d3f830ca81e8014855a1bbda7