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 ₱499.4K contract to V.N. GRANDE BUILDERS & SUPPLYCities

Transaction hash:

2d1c9db5de73c36b165dfcfb7f3c76f0b10a17d871c1d109dd2748cd3a271c58

Status:

Included and unchanged

Block:

#1,588 4,425 blocks after it

Position in block:

Transaction 5 of 58

Award day:

Oct 17, 2012 (14 yrs ago)

From:

CITY OF ILOILO

To:

V.N. GRANDE BUILDERS & SUPPLY

Value:

₱499,441.20

Project:

Construction/Renovation/Repair/Improvement of Drainage System at Brgy. San Felix, City Proper, Iloilo City (BID NO. 0406)

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 #1,588 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 2012-10-17.
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 2d1c9db5de…271c58now …
2. Block Merkle root changed
stored 47c2bad9e1…fc2358now …
3. Block #1588 hash changed
stored c17945b8a9…947a3bnow …

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 2d1c9db5de73c36b165dfcfb7f3c76f0b10a17d871c1d109dd2748cd3a271c58
01 L 289b29ed6ce50092c314b500dd530ad1ea9d72cfbecb096c0f9dae42eb379f30
02 R 3ec2ee2e5966a37c77dfcca5d1276fb9a25b08224114df160f007a247a8fcbc7
03 L 929c18e93380a3629278847310ed379180db1f5eb5e4cd0c0e76ed5a600f2d8f
04 R 9b1a5a7142260ce9c95d8b6bbcd38d8030b5f05a3997aada95b66fd90674f412
05 R 5ef8e04d381abe125439309297ede6f964df9c93eaed3910d3a7f2ddf9754a3b
06 R e4a0f5d3ccc0b0d8f7857ca53341c73caf00ac40d328ab086fdff2dd765cb551
root 47c2bad9e1f44343e179bc93d3f99cb615446db50fa3e14d4ad962e38bfc2358