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-BULACAN 1ST DEO Award a ₱14.4M contract to L.R. TIQUI BUILDERS, INC.National agencies

Transaction hash:

99a1ed3e5a8aa284d64c2cebc5f0e4a20be8c570fce764cee6b58428404f533b

Status:

Included and unchanged

Block:

#755 5,258 blocks after it

Position in block:

Transaction 14 of 25

Award day:

Dec 11, 2009 (16 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

L.R. TIQUI BUILDERS, INC.

Value:

₱14,384,791.03

Project:

Asphalt Overlay along Daang Maharlika Road km 35+800 to km 41+952 & km 45+452 to km 52+722 w/ exceptions Guiguinto, Plaridel & Baliuag, Bulacan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 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 #755 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-BULACAN 1ST DEO awarded it to L.R. TIQUI BUILDERS, INC. on 2009-12-11.
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 99a1ed3e5a…4f533bnow …
2. Block Merkle root changed
stored 432d2ed1f4…c36a31now …
3. Block #755 hash changed
stored 3f003ca643…3011d8now …

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

leaf 99a1ed3e5a8aa284d64c2cebc5f0e4a20be8c570fce764cee6b58428404f533b
01 R 9f82998c7edacf9f7faaa1c2f13c48cf613bfd3463718783717ffe6e66e89bb1
02 L cb2eafed130edd5750a56b49214f8de1d12fbc8f2cdad99d34a3f6b73bee4a1a
03 L db72e630efb8f3bb327cdbd136a65244019efa6b793f9fc2f3ab38f1f08102d2
04 L daf5e793410f6ee71d5f22ee6ffb702c423e115a8800cdd284001f4feddb0d42
05 R 7b484cb92d0a67c8bd37f2e7829d058a0c2a4d1eb647d58c254c7a6a18c830ec
root 432d2ed1f4cdb8638147f16feb81d05017c36b7c2be40c822772fe5a40c36a31