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 AND HIGHWAYS - REGION V Award a ₱19.0M contract to LEGAZPI PREMIUM DEVELOPMENT CORP.National agencies

Transaction hash:

7f4e80e015d50d7fbd9c82fd18f93d3210eb716c4362dd16dd5d23b74fa92aa2

Status:

Included and unchanged

Block:

#904 5,109 blocks after it

Position in block:

Transaction 20 of 26

Award day:

Jul 12, 2010 (16 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION V

To:

LEGAZPI PREMIUM DEVELOPMENT CORP.

Value:

₱19,038,015.50

Project:

NOTICE TO BIDDERS - 10FO0064

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION V

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 #904 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 AND HIGHWAYS - REGION V awarded it to LEGAZPI PREMIUM DEVELOPMENT CORP. on 2010-07-12.
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 7f4e80e015…a92aa2now …
2. Block Merkle root changed
stored 53dab2ccba…ccd58anow …
3. Block #904 hash changed
stored af6a04d9f6…b16efdnow …

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

leaf 7f4e80e015d50d7fbd9c82fd18f93d3210eb716c4362dd16dd5d23b74fa92aa2
01 R 8a1b004a07d8c18348a1daceefffa58366bd6bf303edc35b85b046d491eb3db3
02 R bed9fabdf71a2e4146334c5bc82404afa175f7882f3253afaa465449489a60f4
03 L 4cb6a4bc2e3961b3b567757b000c9453a420b550b45ff9f3500e29f65c59e432
04 R d377ea6d1ee1c20e92d951ff247e3672104db39816bd9d78308fcf2f54623b98
05 L 38ac24c78187c290cfc952015bf38fbb138c9951699a368c1cdb7bdd840ce779
root 53dab2ccba3326dbf6426f64808022aed6918e2f44c008b6e2d1f11e3dccd58a