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

CITY OF CALAMBA, LAGUNA Award a ₱4.9M contract to MAGNA RICH TRADING & CONSTRUCTIONCities

Transaction hash:

0edc4480fdf0f19cfcb6f3da7ccf61ef545cbd80c9b9a130db7ecaed1a07a7be

Status:

Included and unchanged

Block:

#117 5,896 blocks after it

Position in block:

Transaction 1 of 4

Award day:

Jun 15, 2007 (19 yrs 4 mo ago)

From:

CITY OF CALAMBA, LAGUNA

To:

MAGNA RICH TRADING & CONSTRUCTION

Value:

₱4,879,707.07

Project:

I-2007-046 Construction of 2-Storey 4Classroom School Building/Punta NHS, Barangay Punta

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CITY OF CALAMBA, LAGUNA

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 #117 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)
CITY OF CALAMBA, LAGUNA awarded it to MAGNA RICH TRADING & CONSTRUCTION on 2007-06-15.
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)
COA's CY2024 audit of City of Calamba gave a "qualified" opinion on its financial statements (not specific to this contract).
Partly
Open

1 of 8 documents found, 1 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 0edc4480fd…07a7benow …
2. Block Merkle root changed
stored 2253f5355d…69036fnow …
3. Block #117 hash changed
stored 833dbc4192…d815bcnow …

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

Merkle proof (2 steps)

How this one record is tied to the block's Merkle root, without needing the other 3 records. Each step hashes the current value together with the sibling shown.

leaf 0edc4480fdf0f19cfcb6f3da7ccf61ef545cbd80c9b9a130db7ecaed1a07a7be
01 L 02cb1cf12addc801d932c1c7f9605c464a87b4682f941cc7e534463263c23bd9
02 R f124afac093e0692076d84bc90c15b14c19801dec39eeaca909ea2b091fe7d5c
root 2253f5355d62e1d2557bdb9fd4a0016529c5dea7f20d7e8ce9fa5d5f9e69036f