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 ₱99.7K contract to V.N. GRANDE BUILDERS & SUPPLYCities

Transaction hash:

05fd72d032fcb3fa252b404f11b3c67e53e92d91634bb739a081350b176c95b2

Status:

Included and unchanged

Block:

#1,381 4,632 blocks after it

Position in block:

Transaction 1 of 59

Award day:

Feb 17, 2012 (14 yrs 8 mo ago)

From:

CITY OF ILOILO

To:

V.N. GRANDE BUILDERS & SUPPLY

Value:

₱99,688.50

Project:

INVITATION TO BID - Proposed Construction of a Concrete Sidewalk at Brgy. Mohon, Arevalo, Iloilo City (BID NO. 0220)

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 #1,381 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 2012-02-17.
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 05fd72d032…6c95b2now …
2. Block Merkle root changed
stored 47c1e6704b…8ab087now …
3. Block #1381 hash changed
stored c5f68ca174…757cdcnow …

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

leaf 05fd72d032fcb3fa252b404f11b3c67e53e92d91634bb739a081350b176c95b2
01 L 02ca0ec9691327172eca6d9037d610e1114e9f0912443cd3b55a6b0c0daec412
02 R 08094290df3a79c887c2d5de13ab7a0cdf5dfe970eb00a5b2454841666633604
03 R 3e77e51ad3514cdbda3a9dc9d1c0ea6ba35ef32d3332e17f3a3dbbfbd9691a68
04 R cb918a440e04bd02cf1378504d5ba45654b8fd4d7cf663b86f87ebfd2fabc28b
05 R 0037043db1516a5350d9358174a7a30bb46335b295c6ff4b545cb1be42b662cc
06 R e1fd386dfa929f5b515eb12aa6c53e9ee9b017cf87164b7a1c5bef0658bd7251
root 47c1e6704ba78fc32113e3496d562eaa80f5d0d0782f992b40825eaf418ab087