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 ISLAND GARDEN OF SAMAL, DAVAO DEL NORTE Award a ₱3.8M contract to L.A. ARIZOLA CONSTRUCTION & SUPPLYCities

Transaction hash:

83d6f3428c85fa3f7bf835db264f55bb971df88c33d4253f16e973c71f66a4b9

Status:

Included and unchanged

Block:

#1,218 4,795 blocks after it

Position in block:

Transaction 41 of 68

Award day:

Aug 16, 2011 (15 yrs 2 mo ago)

From:

CITY OF ISLAND GARDEN OF SAMAL, DAVAO DEL NORTE

To:

L.A. ARIZOLA CONSTRUCTION & SUPPLY

Value:

₱3,800,360.54

Project:

Coastal Park Development (P-4) Villarica, Babak Dist., Island Garden City of Samal

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CITY OF ISLAND GARDEN OF SAMAL, DAVAO DEL NORTE

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 #1,218 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 ISLAND GARDEN OF SAMAL, DAVAO DEL NORTE awarded it to L.A. ARIZOLA CONSTRUCTION & SUPPLY on 2011-08-16.
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)
No COA finding linked to this contract.
Not published

1 of 8 documents found, 0 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 83d6f3428c…66a4b9now …
2. Block Merkle root changed
stored b765f26536…32e9c6now …
3. Block #1218 hash changed
stored 1d1b398439…b2cd2enow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 67 records. Each step hashes the current value together with the sibling shown.

leaf 83d6f3428c85fa3f7bf835db264f55bb971df88c33d4253f16e973c71f66a4b9
01 L 8238e7c46e43e805695db003d27487399ae2ce19a56cbc326a194a9105cb0ba5
02 R bef03ae2d396c5c8c8c98429a5068ede0f56ebe061e3ef76b821097126416ca0
03 R ce0d6906c6dadcfd31ef11ed15dea4246f375cb47323fed3b8b2544a159a077d
04 L 1159cbc485d35203abeaa6616ff551dc55ab52015d131f0a3cafb58b95d79082
05 R ceafe8967870bfeb31db8c2b70440c7f9fd209f7aaabf9d83b752f0f7e17063a
06 L 462551b1894207da7e00402be5a924b0652f4a7b7107535481ba3f9c9e78af0a
07 R 5d0e5a39ae049ce6af2ffb3d2fc65b7f920f3586681d3873b55a7db4492d4420
root b765f26536d11816ce928401e9f192080d2b4d143ac21d8189cef401c632e9c6