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 ₱412.6K contract to V.N. GRANDE BUILDERS & SUPPLYCities

Transaction hash:

be4dbe7ea287e452a19213b9fe9cd833348c7137fa2d6a8b3fd72ef8fc58194c

Status:

Included and unchanged

Block:

#1,273 4,740 blocks after it

Position in block:

Transaction 31 of 42

Award day:

Oct 21, 2011 (15 yrs ago)

From:

CITY OF ILOILO

To:

V.N. GRANDE BUILDERS & SUPPLY

Value:

₱412,642.35

Project:

INVITATION TO BID - Proposed Completion of 2-Storey ESM Building at La Paz I Elementary School, Iloilo City (BID NO. 0143)

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 #1,273 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 2011-10-21.
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 be4dbe7ea2…58194cnow …
2. Block Merkle root changed
stored 4db72006e0…2286f7now …
3. Block #1273 hash changed
stored 5a9453c73d…09af9dnow …

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

leaf be4dbe7ea287e452a19213b9fe9cd833348c7137fa2d6a8b3fd72ef8fc58194c
01 L b4b3433dbca4115c311b3d04798cfe68a5a309661b5f8d5657856bbaed48e925
02 L b1ebbf60db6d2102a9d1d09be1cee2cd015d485d63b15e714172c1b584a4fa72
03 L ae0e989969049cc3de7fd3cc08b92c2c98f7c9650a459e01628000d6f4aa3e08
04 L 2b0c35caa2ee19c7eaf78c31072a3849d9219d2fd0aca325d731e91644992765
05 L ed907f4b8b4ef449da9a4221bf6d230f9ddcbc21f246d93990d548bbde8d8f23
06 R 3d3f42541156318be2ee65a10e4218b04047add68cf1a792dd55465a7e0d6e33
root 4db72006e0ec6a2add0e140552e64437c709aa60b9fca9c1ec44931cb82286f7