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 EDUCATION - DIVISION OF QUEZON Award a ₱12.8M contract to M.G. VILLAMIN CONSTRUCTIONNational agencies

Transaction hash:

3328dfa97b4553c3f8cc54058b17351c2a0cd317c1cb5268754e011a20ba3b55

Status:

Included and unchanged

Block:

#3,040 2,973 blocks after it

Position in block:

Transaction 35 of 132

Award day:

Apr 7, 2017 (9 yrs 7 mo ago)

From:

DEPARTMENT OF EDUCATION - DIVISION OF QUEZON

To:

M.G. VILLAMIN CONSTRUCTION

Value:

₱12,784,140.60

Project:

REPAIR AND REHABILITATION OF GABALDON BUILDING, SARIAYA EAST CENTRAL MAIN ELEMENTARY SCHOOL UNDER THE CY 2016 BASIC EDUCATION FACILITIES FUND (BEFF) BATCH 5

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF EDUCATION - DIVISION OF QUEZON

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 #3,040 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 EDUCATION - DIVISION OF QUEZON awarded it to M.G. VILLAMIN CONSTRUCTION on 2017-04-07.
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 3328dfa97b…ba3b55now …
2. Block Merkle root changed
stored 3a736fa143…0cf047now …
3. Block #3040 hash changed
stored 001cca4d3a…4a05b7now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 131 records. Each step hashes the current value together with the sibling shown.

leaf 3328dfa97b4553c3f8cc54058b17351c2a0cd317c1cb5268754e011a20ba3b55
01 L 32280ce90c965b9862455c58f980f6b6f8e56487d9a572bf71e9c3ea8211d524
02 L 742ab9bafd1acc22b16afc72dd3d5cfcec50203bff296aedc81dc1808e30375c
03 R 368f2fe5d682072fe591268833bd444e3ccacd2d7827dc40ce4922a4b7e3ef2d
04 R 5a97c5e35977d42c2fc36f70f362ea3fca7fbed94a35d529f9409e2be8d5a3e4
05 R 4165b1496e14697abbba0a703346b1e309b63574b4dd6491efa38515fc773120
06 L 6f125ecb40a98cef6121c5358375fd2041f661a4833aac64328e9da07b14495a
07 R e8fc75563550ec41078ae4dae09cca8ae7f29e253ccf901f13d2747dd0cb61be
08 R 52f37b8d2d2e1fded6b2c0419d610f2a3a8e1e5b2739219d3e9e5433704d6a8e
root 3a736fa143b4a7c0dffe058abb487e49a37d891566e92f985220c7070c0cf047