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 LIPA CITY Award a ₱2.4M contract to VRV CONSTRUCTION AND TRADINGNational agencies

Transaction hash:

aadf6161d4e0290d260c857a35028dfe355b6c18289df19e144f5cabb1a6cffe

Status:

Included and unchanged

Block:

#1,167 4,846 blocks after it

Position in block:

Transaction 28 of 49

Award day:

Jun 15, 2011 (15 yrs 4 mo ago)

From:

DEPARTMENT OF EDUCATION - DIVISION OF LIPA CITY

To:

VRV CONSTRUCTION AND TRADING

Value:

₱2,410,000.00

Project:

Invitation to Bid for the Construction of Two Storey - Two Classroom School Building in Tangway Loob Primary School

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF EDUCATION - DIVISION OF LIPA CITY

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 #1,167 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 LIPA CITY awarded it to VRV CONSTRUCTION AND TRADING on 2011-06-15.
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 aadf6161d4…a6cffenow …
2. Block Merkle root changed
stored 735d6bbd49…8543dcnow …
3. Block #1167 hash changed
stored eb2d4e20ae…b591c5now …

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

leaf aadf6161d4e0290d260c857a35028dfe355b6c18289df19e144f5cabb1a6cffe
01 R abb13318240ff30d08d60627fda49ef0e944201bac3ca5b139b35f32133bd7dc
02 R 591a59d4216aaca037e7394d6087523f3253f0625ed7c6ff3b3819b80e7d85a2
03 L 117688b5da62d0024c5a65e027439f09db6c22699c21aa5bab99132dba29846c
04 L 77ca4a397db133f081a07d8317ad04b70f5065915330c20a7c86866add511dfc
05 L d957fe4ef7f7bd10b49012b61cfeb7602d6a4c5f8be7248f0fd733f754a79126
06 R 645675b7412714e5134b2ed5c95d2ca6ceeee8ce176dcac639b540512d49ed71
root 735d6bbd498ace7b3f0fea62a817b4a4c51f24053782a1218a12dcb3eb8543dc