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 ₱6.0M contract to GAB-ZION ENTERPRISESCities

Transaction hash:

e14ad079779b5a7bc3dd6f0836c44a4dcf56ac59a56dd769bc3534894d928f7d

Status:

Included and unchanged

Block:

#1,243 4,770 blocks after it

Position in block:

Transaction 34 of 38

Award day:

Sep 14, 2011 (15 yrs 1 mo ago)

From:

CITY OF CALAMBA, LAGUNA

To:

GAB-ZION ENTERPRISES

Value:

₱5,997,327.99

Project:

I-2011-036 Construction of 2-Storey 4-Classroom School Building, SPED, Barangay Prinza

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 #1,243 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 GAB-ZION ENTERPRISES on 2011-09-14.
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 e14ad07977…928f7dnow …
2. Block Merkle root changed
stored a60f8f4735…527e3bnow …
3. Block #1243 hash changed
stored 85babdfa60…ca84e3now …

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

leaf e14ad079779b5a7bc3dd6f0836c44a4dcf56ac59a56dd769bc3534894d928f7d
01 R e8003b3e21ca95a104ea881fef02dafdeeb8fedb1e08495c56cf7cf8bbb2e358
02 L a12e30115bee8c5692f104189e1f0fa6e1a6280966107b380a1e2bfefb533690
03 R 20f21b1149837983fa0b3294921078979f598b969f21c0ece6cd3ed34f3e564e
04 R f3b8cec0990988ede620ad5c2a5e2db85d78e6398fcb3c94b7f6a8a085eea13b
05 R e7bc6073af40457e7a05d6629472f24f1aa86d40ec837bdf6c8d046a7f28ac5a
06 L 385ad596c55a90af478104e29eaf744742c2d816bd5bc7ae195cb9c2e0167748
root a60f8f4735a0d5947fb0d9751c97b91a2d725574eab591a78d6f11fa98527e3b