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 ₱24.1M contract to TIONGCO MENDOZA CONSTRUCTION CO. INCNational agencies

Transaction hash:

cfdf8a7ef54ef4f0c8da9217b9fe088e14969773db2c5a407760050ab4e1885d

Status:

Included and unchanged

Block:

#4,164 1,849 blocks after it

Position in block:

Transaction 95 of 122

Award day:

Jul 16, 2020 (6 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 1ST DEO

To:

TIONGCO MENDOZA CONSTRUCTION CO. INC

Value:

₱24,128,535.00

Project:

Siling Bata to Brgy. Cacarong Matanda FMR, Brgy. S

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 #4,164 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)
DPWH lists the funding source as "Outside Infra - GAA 2020 DA FMR", i.e. the FY2020 GAA. The exact UACS line is not given.
Partly
Open
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 TIONGCO MENDOZA CONSTRUCTION CO. INC on 2020-07-16.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 20CC0254: Completed, 100% physical progress.
Found
Open
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)
DPWH marks the contract "Completed" (end 2021-03-23). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 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 cfdf8a7ef5…e1885dnow …
2. Block Merkle root changed
stored 9b4312c171…b873b4now …
3. Block #4164 hash changed
stored e8e0900921…28336enow …

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

leaf cfdf8a7ef54ef4f0c8da9217b9fe088e14969773db2c5a407760050ab4e1885d
01 L cfa82ac0e86d5b5f47149a8473de9b743c14891436ed96d0e519de403e6267d5
02 L ebcf53fa8b880d5bd485ac48a2f30b445dcff6b79fe7251e9165dd698d1e297a
03 L 38b1c3657f28a39198cd07e24a9d8cf141ba31f6bfa4ba2ed447ea86bf48ffd8
04 L b4a393643c650b64da6653655b609e836876a46009b8e7a154b6cf9d66816587
05 L 9af9bc107e0133a127639d552579c17ad82ac3442f9a74d93fd8eadb74233543
06 R 9b9570c45d34d67e6ff7352356efe505c819ae788f1c3407ab767dd993ac503b
07 L 09272ce6d1dc0ed75dd3711730ab8ae13ada38873592c03e6b312cf31d8958d4
root 9b4312c171540f7a5887be70aee1fc9e9c2da551115a65d8295669b180b873b4