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 - DAVAO CITY SUB-DEO Award a ₱293.0K contract to LEAMOR CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

0fac207aed35ae210b895d5f5cce3a06515faa84b40d2ebfcf61c1a28cff189d

Status:

Included and unchanged

Block:

#1,470 4,543 blocks after it

Position in block:

Transaction 2 of 57

Award day:

Jun 1, 2012 (14 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO CITY SUB-DEO

To:

LEAMOR CONSTRUCTION & SUPPLY

Value:

₱293,000.33

Project:

Construction of Multi-Purpose Building at Bankas Heights, Toril, Davao City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO CITY 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 #1,470 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 - DAVAO CITY SUB-DEO awarded it to LEAMOR CONSTRUCTION & SUPPLY on 2012-06-01.
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 0fac207aed…ff189dnow …
2. Block Merkle root changed
stored 188f6ed330…a2b0dcnow …
3. Block #1470 hash changed
stored b4f0738779…8ba068now …

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

leaf 0fac207aed35ae210b895d5f5cce3a06515faa84b40d2ebfcf61c1a28cff189d
01 R 138de027ca231589a09eac848058db24eddb86407a9c06e2234124a9128bf876
02 L a8ce5d9d84cfae31c2f178030618efe02396e095cdb13c477af5009a5f28ec32
03 R c812065ed8d6ba1e2d35b41c4e79fb70e1ba5cf6602e20fb11680d262881abd5
04 R f8747d5223fd9789956d8149a3e55fb9392f77109ba42744a92ee81c9397896a
05 R e7d2a0bb5c668e641da285ac70fc21d477f6f2d02a416fa4abb939993aeeb65f
06 R 520b31fce9a285019945ed9de894850251cb0dd6aea6c220e7d0230b118c4709
root 188f6ed330f7b807006aa782c8484e2407525f5d30d2cf207868877a0fa2b0dc