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 - QUEZON 2ND ED Award a ₱677.0K contract to V.R. PATRON BUILDERS & DEVELOPERSNational agencies

Transaction hash:

8f2cd9b61c8f2ecb0058bdc7c0c97ae983343a82c5ad52300afdd4bf364f9515

Status:

Included and unchanged

Block:

#1,521 4,492 blocks after it

Position in block:

Transaction 38 of 82

Award day:

Jul 31, 2012 (14 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 2ND ED

To:

V.R. PATRON BUILDERS & DEVELOPERS

Value:

₱676,967.18

Project:

Construction of One (1) Unit Classroom at Lagalag Elem. School Brgy. lagalag, Tiaong,Quezon

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 2ND ED

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 #1,521 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 - QUEZON 2ND ED awarded it to V.R. PATRON BUILDERS & DEVELOPERS on 2012-07-31.
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 8f2cd9b61c…4f9515now …
2. Block Merkle root changed
stored 95cd13e6ab…fc46dfnow …
3. Block #1521 hash changed
stored 48c377120e…60fbd6now …

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

leaf 8f2cd9b61c8f2ecb0058bdc7c0c97ae983343a82c5ad52300afdd4bf364f9515
01 R 8fecde17f1f0a78415e2f64feb90d96baad393b415294352149ea0f444ac4c10
02 L 022e5a444dd71b1205349fe96f0c0490bff1c0b505a4b3257f0fee908c88327d
03 L 353719b305235b6630bf996d92569ffedbdbb7a4dc444b0f4ec550ce77ab759b
04 R 3c2444b4fa6e2177dca3e700621d352df595ced91adb28aad2ad22a0c05d8a51
05 R 5a04714fe1bceb99da3da8a379439688c40b6b4ed8c0b323dce84240706ca9f1
06 L 3e2f87ba0cda4095b9b4a95dec1e2d34953c78d8edb21d59fc8b2a150c084564
07 R e8f99042002166f2a831916b39ce6e038c14bc91403c9d62bf3f03f5f7faa312
root 95cd13e6ab358adede2adae59e304197fca066bc0e178ac6b3067d9943fc46df