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 ₱132.3K contract to PETRONAL BUILDERSCities

Transaction hash:

bb9f011179bfbb2a0625a63210c827dfa928330faad9c752d1170647932a1df7

Status:

Included and unchanged

Block:

#1,251 4,762 blocks after it

Position in block:

Transaction 49 of 61

Award day:

Sep 23, 2011 (15 yrs 1 mo ago)

From:

CITY OF ILOILO

To:

PETRONAL BUILDERS

Value:

₱132,319.50

Project:

INVITATION TO BID - Proposed Construction/Rehabilitation/Improvement of Existing Drainage at Brgy. Sto. Rosario-Duran, City Proper, Iloilo City (BID. NO. 0110)

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 #1,251 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 PETRONAL BUILDERS on 2011-09-23.
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 bb9f011179…2a1df7now …
2. Block Merkle root changed
stored a25cb9b69b…0df6benow …
3. Block #1251 hash changed
stored 91cb23e7a0…94bfc0now …

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

leaf bb9f011179bfbb2a0625a63210c827dfa928330faad9c752d1170647932a1df7
01 L b6aac3409594cffa648ca8290e7eac0754becbbc9e53f10a13b92dfc448a5061
02 R 694a562a4c3f74765a548480fc2a0a46feb09d816110348fcd46bb31dd74c025
03 R d51808ff15efefb9259da0fd30c8717df4629634856d1aff40edb5dafab6d631
04 R e38a9ca614f262f9e28e7d80c11bce155cde018940d3e7f124a44ef9608d00a2
05 L db7a75ca8248e28fdb485ca417f62b7bc3e2be21e0f89103b2158bae65eac980
06 L cf7f4393fb4a3c1e442d8b2bf3d3c5294b0d370df9bb840bf722e84510123fe8
root a25cb9b69b59fb88b76ecc7ed6891d4fcdfb3e333ce3ebc520e4fa81670df6be