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 ₱1.4M contract to L.A. ARIZOLA CONSTRUCTION & SUPPLYCities

Transaction hash:

9e827aaf882cebca0fc7e8ebb066c2510e3726e6230b8f8d25b12dcce7c86916

Status:

Included and unchanged

Block:

#1,473 4,540 blocks after it

Position in block:

Transaction 35 of 57

Award day:

Jun 5, 2012 (14 yrs 5 mo ago)

From:

CITY OF ISLAND GARDEN OF SAMAL, DAVAO DEL NORTE

To:

L.A. ARIZOLA CONSTRUCTION & SUPPLY

Value:

₱1,395,742.46

Project:

CONCRETING OF FARM TO MARKET ROAD SITIO PASIG TO SITIO SUPA, PEÑAPLATA ROAD SECTION, SAMAL DISTRICT, IGACOS.

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 #1,473 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 2012-06-05.
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 9e827aaf88…c86916now …
2. Block Merkle root changed
stored e73263a1e6…099a48now …
3. Block #1473 hash changed
stored 28d22f9911…6cf50enow …

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

leaf 9e827aaf882cebca0fc7e8ebb066c2510e3726e6230b8f8d25b12dcce7c86916
01 L 9d57bc9ae86435cea1e3e43eaf4487475460dca889857da49bc6eba984e5a4e5
02 L dd3c8dbbe5ce956a9399990a536f43b0ddb7f7c715f62fc9c1a264152a7e0a36
03 R 3da0886d698a034919ee681de1392426321bc4c6927d1bd225d8a0731da44ad2
04 R e751eb25b288cea111bb37207ecb57a9f2043062ab121a87aaa3135adc42c84b
05 R 60758989a1c27919eb8cff3a5131258993c613d6285da2b2f3829673d93255ee
06 L aca23452faa494935a22695fe57735aaf6b899dfca0c072031dc69a44db6ce74
root e73263a1e63e0f4d9a7a9faec8b2c5573b74c658af7bcb2b66d7d206a2099a48