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 ₱1.5M contract to V.N. GRANDE BUILDERS & SUPPLYCities

Transaction hash:

b1f0aacdaef89c94e2606b6b8b18159097ba2e1d2558a73f92b219a248a6b97d

Status:

Included and unchanged

Block:

#1,262 4,751 blocks after it

Position in block:

Transaction 38 of 54

Award day:

Oct 7, 2011 (15 yrs 1 mo ago)

From:

CITY OF ILOILO

To:

V.N. GRANDE BUILDERS & SUPPLY

Value:

₱1,498,829.12

Project:

INVITATION TO BID - Repair/Rehabilitation of Covered Gym at Brgy. Tanza-Baybay, City Proper, Iloilo City (BID NO. 0126)

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 #1,262 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 2011-10-07.
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 b1f0aacdae…a6b97dnow …
2. Block Merkle root changed
stored 92ce03efc7…720a7enow …
3. Block #1262 hash changed
stored c8f27bc32f…991d5fnow …

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

leaf b1f0aacdaef89c94e2606b6b8b18159097ba2e1d2558a73f92b219a248a6b97d
01 R b2222b5a710feee5c97af8fe874779f05b99192bc520626244802127b9e4d5b0
02 L 031a0ca5d7920de61a118ecd1a1e5c6cdb4eea3df4cac5d29a8c30097cafd961
03 L 354ab3c3f851528c441b95993042dbd207a44f401a47759ea5f60c23bae7324b
04 R 66800b18c499a49affcba2bfcf3a2db414adff9f7aefb4d76938706034815a6d
05 R ae180dd6752c4a77e99f5fa04ad3d35970374cb13a53d9fe3702104d4f9ce0b4
06 L 8d02352cd6c192f67d581d532ebee5699512cb20eb15e238035a4613b8dc6c70
root 92ce03efc7a691109e4080adca1f9d39b7377e27ae3e0c22121abfa5f9720a7e