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 ₱28.2M contract to L.R. TIQUI BUILDERS, INC.National agencies

Transaction hash:

f8ed4ceb07bcb3b96dcbb32dcdcd24dd09e16d1ed5972a54ac5276649782bb7e

Status:

Included and unchanged

Block:

#1,375 4,638 blocks after it

Position in block:

Transaction 89 of 93

Award day:

Feb 10, 2012 (14 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

L.R. TIQUI BUILDERS, INC.

Value:

₱28,159,046.78

Project:

Rehabilitation/Reconstruction/Upgrading of damaged paved national roads (intermittent sections) Daang Maharlika Road km 37+(-978) to km 41+000 Guiguinto & Plaridel, 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 #1,375 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 2012-02-10.
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 f8ed4ceb07…82bb7enow …
2. Block Merkle root changed
stored 48a4e6ef69…1db3eanow …
3. Block #1375 hash changed
stored 8cf56856c8…360599now …

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

leaf f8ed4ceb07bcb3b96dcbb32dcdcd24dd09e16d1ed5972a54ac5276649782bb7e
01 L f1f840e0827ee2b0860c8164254de15e782149650ced6a35e6d2cf5d9e060438
02 R 0746cc67e7e07f3d13920a067b69f5d952c08b683af1b3313ceb598bd8dd5931
03 R bf2416aed32be940cb4ec7f4cdf386e2a1513c50d7a3a8b3662cfa86b3f58b06
04 L 2f388997c61d372ad32c1b90c5b71f963bc43920fad095b3ea4d68b90daeb606
05 L 428ab729b0b492d2ae3fe6c006b97fc3249e8ccb4a1531ba2ba7f59d59c305c6
06 R 32256a518a0a29f4723dd17477116f166fb63e910c766a8d65230e20a4f99c0c
07 L 187759c02c2b8e71275f159bc228c6f5ef9450a1f14be4fee72e317a31b92035
root 48a4e6ef6933b581e687827f72a18d0a278d6e4f03ed4afebf58b485ee1db3ea