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

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - LDN 1ST DEO Award a ₱1.2M contract to GRAND BUILDERSNational agencies

Transaction hash:

fa25fcf27fccc2bc13cb8b9c6dfb58202bd3310aa6e9f97b1c8125797b82a056

Status:

Included and unchanged

Block:

#1,009 5,004 blocks after it

Position in block:

Transaction 19 of 20

Award day:

Nov 23, 2010 (15 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - LDN 1ST DEO

To:

GRAND BUILDERS

Value:

₱1,238,539.82

Project:

Cluster VII - Construction of Seven (7) units Multi-Purpose Building at Lala, Lanao del Norte

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - LDN 1ST DEO

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 #1,009 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)
DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - LDN 1ST DEO awarded it to GRAND BUILDERS on 2010-11-23.
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)
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 fa25fcf27f…82a056now …
2. Block Merkle root changed
stored 65690cfb45…4896c4now …
3. Block #1009 hash changed
stored c36b22a260…bf92c7now …

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

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 19 records. Each step hashes the current value together with the sibling shown.

leaf fa25fcf27fccc2bc13cb8b9c6dfb58202bd3310aa6e9f97b1c8125797b82a056
01 L f9837583e6229104df8de791391127b2cd2df08f9a04915c11209ab26c608314
02 L 14d24fbb0325ad58db34213047620dd46bd1e426fe52f201261d15cd381aecba
03 R c55682b608268d124792a1785c82e7511761204566802221e4342f61ae730847
04 R 52fc678eadad12dcd456dee3c779304c511c82ccf1995b7f380c3d15eb28148c
05 L f843d2050f9703e99c78f77e9283e40c2f59d325499e2ad11e9ae79f5af53886
root 65690cfb45853a88c503460ead613449137c9432583e08273c018cc5654896c4