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 ₱266.9K contract to M.C. DELA CRUZ ENTERPRISES AND GEN. CONTRACTORCities

Transaction hash:

8a675f1a3bf0ffa5d49aee7e6245563b86a277a2aabd504bdb3c4770f608c64f

Status:

Included and unchanged

Block:

#104 5,909 blocks after it

Position in block:

Transaction 1 of 4

Award day:

May 21, 2007 (19 yrs 5 mo ago)

From:

CITY OF CALAMBA, LAGUNA

To:

M.C. DELA CRUZ ENTERPRISES AND GEN. CONTRACTOR

Value:

₱266,882.68

Project:

I-2007-035 Construction of Drainage Canal/ Barangay Masili

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 #104 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 M.C. DELA CRUZ ENTERPRISES AND GEN. CONTRACTOR on 2007-05-21.
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 8a675f1a3b…08c64fnow …
2. Block Merkle root changed
stored df782b9237…b9241anow …
3. Block #104 hash changed
stored 55d396395f…c9138fnow …

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 8a675f1a3bf0ffa5d49aee7e6245563b86a277a2aabd504bdb3c4770f608c64f
01 L 4ad90b58c6f0bd1f4d0a3c81484160a55e39f6931294fa8cbb92a65a4417af1e
02 R 1d572574be593dd9e02a5b443f8a627b26441fd09fc85ea7046662f93fc693d3
root df782b923731f3ab3f6f180101a168bf260da61eae277dae6e2fc210dab9241a