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 ₱13.0M contract to DSO ENTERPRISESCities

Transaction hash:

22a8302dbda7cbc4a57ec01932f8fdccd4effd9a54bbc7d1f4fc3fb3fd07e529

Status:

Included and unchanged

Block:

#569 5,444 blocks after it

Position in block:

Transaction 4 of 26

Award day:

Apr 1, 2009 (17 yrs 7 mo ago)

From:

CITY OF CALAMBA, LAGUNA

To:

DSO ENTERPRISES

Value:

₱13,043,131.29

Project:

I-2008-101 Construction of 3-Storey 9 CL School Building, Calamba Bayside NHS, Barangay Palingon

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 #569 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 DSO ENTERPRISES on 2009-04-01.
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 22a8302dbd…07e529now …
2. Block Merkle root changed
stored f0891822e5…199643now …
3. Block #569 hash changed
stored 4049a294fd…3c56c4now …

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

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 25 records. Each step hashes the current value together with the sibling shown.

leaf 22a8302dbda7cbc4a57ec01932f8fdccd4effd9a54bbc7d1f4fc3fb3fd07e529
01 R 338a5787c5ec00d1a25235cb028b563a6240c0c7480443620ee937b37097d415
02 R 60a24eddf323f8ba9586b623e843b331d231638182302e63d245a51a98981937
03 L 34a683a320d3150a2d4bab10a5e707756bd79e8844d495c22744364edc69d552
04 R 2179953cea3503ed71578726b025625a940cf3a91077c55ca1789c18735382ba
05 R 4d3e87618094a2da9ede7431473ca6343c3179ffd06abf1d4a1d56b86e2131f9
root f0891822e501595b5879bf1f93cf2f772967cb4bc197a841aebc68e7e5199643