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 ₱558.4K contract to DSO ENTERPRISESCities

Transaction hash:

86e892f4df6d2e88b0a018eeccb7d1d6e0a7b95af8c9c4afcd4d3f2ed4b725b7

Status:

Included and unchanged

Block:

#1,150 4,863 blocks after it

Position in block:

Transaction 55 of 114

Award day:

May 24, 2011 (15 yrs 5 mo ago)

From:

CITY OF CALAMBA, LAGUNA

To:

DSO ENTERPRISES

Value:

₱558,387.64

Project:

I-2011-008 Rehabilitation of Day Care Center, Barangay Mabato

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 #1,150 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 2011-05-24.
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 86e892f4df…b725b7now …
2. Block Merkle root changed
stored 8f3f4fefe9…4151e2now …
3. Block #1150 hash changed
stored ec104bae72…e74a1enow …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 113 records. Each step hashes the current value together with the sibling shown.

leaf 86e892f4df6d2e88b0a018eeccb7d1d6e0a7b95af8c9c4afcd4d3f2ed4b725b7
01 L 81c2c1bc482bec1b72d4829c959d6d5ab99eba231c708f5e0db302469134f0f2
02 L f014ceaca42fe2aaf55a357e53706d3129edc428f1131f7b72dcdf8397e795e5
03 L 86087f9a9a4732a22acbba25fa419c6812b6dde02aef87eadc37d2e039392029
04 R 23e234de832e02b86cfc500c86be2675dc3a5f87caaa4f4a0f704c4633d01d6e
05 L 61f69190dbf8b58884fb6a4ace4436d72f667f139d59a3a17e35cab5de5ea0f6
06 L dc0e00c3126fa58d2027a34a1e03fd161b53698c812c4891464af06a1b1f0587
07 R 4cc2bf25f41d4474509af85e5c57cbd5034a1c395a46616d9e4f520a8997307b
root 8f3f4fefe94cf8da8749a07c1dbe571ba47cc1b68bbbad5543af609e594151e2