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 ₱1.2M contract to V.N. GRANDE BUILDERS & SUPPLYCities

Transaction hash:

a1819e4801faa068fd47e6f84474a29c06e060e46425c3e74677647b1a38f771

Status:

Included and unchanged

Block:

#1,570 4,443 blocks after it

Position in block:

Transaction 36 of 58

Award day:

Sep 26, 2012 (14 yrs 1 mo ago)

From:

CITY OF ILOILO

To:

V.N. GRANDE BUILDERS & SUPPLY

Value:

₱1,198,487.80

Project:

Construction/Rehabilitation/Improvement of Existing Drainage at Brgy. Balabago, Jaro, loilo City (BID NO. 0380)

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 #1,570 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 2012-09-26.
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 a1819e4801…38f771now …
2. Block Merkle root changed
stored 2e3feb83ee…cd4f50now …
3. Block #1570 hash changed
stored e3efe5dffa…e78e01now …

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

leaf a1819e4801faa068fd47e6f84474a29c06e060e46425c3e74677647b1a38f771
01 R a49289fc4f1cd5bd28a32391f3176c02a0e49939ea294e0d7a9f90ba3f55e80e
02 R d6b5f76b6c3fdaaea68590468a6fc17aec27d896392af8c0a03684a7df80720f
03 L 26bdbea5e45fbe29d693b591911c6b11e14f9575bfa4266a1c60b96b8c40ca81
04 R 3f9f895e3fe0b04e74b8e865de766489fa68878bcb48c7ecb83649e8af82352e
05 R 51228bb846187a06dbe46b957840ec17c2ee8a7cea4e04ab9e91819679c957af
06 L 6fcada67a279c2f7cad4d4f927affc265bd485bf46788d7b628be88139e82cec
root 2e3feb83ee4e26f0a9d670ceb1ffed3c4541e55b5b54b6be659648b450cd4f50