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 ILOILO Award a ₱299.5K contract to V.N. GRANDE BUILDERS & SUPPLYCities

Transaction hash:

a331f3be460bc7e739b120232dda29c5cbe57c7eeb66d7235a3dd6cc6058eb19

Status:

Included and unchanged

Block:

#1,448 4,565 blocks after it

Position in block:

Transaction 28 of 46

Award day:

May 9, 2012 (14 yrs 6 mo ago)

From:

CITY OF ILOILO

To:

V.N. GRANDE BUILDERS & SUPPLY

Value:

₱299,484.79

Project:

INVITATION TO BID - Proposed Construction/Rehabilitation/Improvement of Existing Drainage System at Brgy. Taft North, Mandurriao, Iloilo City (BID NO. 0279)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CITY OF ILOILO

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 #1,448 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 ILOILO awarded it to V.N. GRANDE BUILDERS & SUPPLY on 2012-05-09.
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 Iloilo gave a "unmodified" 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 a331f3be46…58eb19now …
2. Block Merkle root changed
stored 8127702a5c…5deeaanow …
3. Block #1448 hash changed
stored 38ab6a7ade…cd01eenow …

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

leaf a331f3be460bc7e739b120232dda29c5cbe57c7eeb66d7235a3dd6cc6058eb19
01 R a5aaa9bc94ba11228b5ce5861f9a292eb3dd6aa668697350cf68684c45db9de4
02 R 9fabec2357b6a6d8ffe7f7bbd6f80bc7e79511097972323f1f280faf4af9bf52
03 L c0b1dba5112afb1b25ff755499137b0deb0491087446413575fcf592c4ed4212
04 L f03776e42f1c2d6968dbcfb040626454cd608449561334371e0690368251b270
05 L b5fdd341f1a51ece54a0d71706a66a286236b652844911220bddfd5758a26399
06 R 52f7e4b31e679c4262a71878d4631550efb2675e9abb9d581984b3ecfa78ee59
root 8127702a5c40096c1892e618132534f8ec18ea04a86684296a09a7e6b55deeaa