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 - ILOCOS NORTE 2ND D Award a ₱9.9M contract to NORTH TECH BUILDERS AND CONSTRUCTION SUPPLYNational agencies

Transaction hash:

c012cc2abd2a0b6552ad1f44254a6a906bd8c381a41798d2512c235d2bf38a7f

Status:

Included and unchanged

Block:

#4,084 1,929 blocks after it

Position in block:

Transaction 43 of 57

Award day:

Apr 20, 2020 (6 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS NORTE 2ND D

To:

NORTH TECH BUILDERS AND CONSTRUCTION SUPPLY

Value:

₱9,895,383.98

Project:

19AB0139

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS NORTE 2ND D

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 #4,084 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 2019 DILG Funds", i.e. the FY2019 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 - ILOCOS NORTE 2ND D awarded it to NORTH TECH BUILDERS AND CONSTRUCTION SUPPLY on 2020-04-20.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 19AB0139: 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 2020-12-07). 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 c012cc2abd…f38a7fnow …
2. Block Merkle root changed
stored caa0b55098…0c61e2now …
3. Block #4084 hash changed
stored b9311d7c07…b853e9now …

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

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 56 records. Each step hashes the current value together with the sibling shown.

leaf c012cc2abd2a0b6552ad1f44254a6a906bd8c381a41798d2512c235d2bf38a7f
01 L bc9c44347e425fc2591c0aed5ae2d1356c80686a52e890d9373db89f32fc4dba
02 L dd7ab76f74ef342cbb9d8877f6daeae1ca34c75559fbacdc2be04bf79e4e0c6e
03 R a0d842cc5d1f5c187b9f32dc74e5e239c3fff5ad516a423c18a7f0087621dc5d
04 L 06b9d579a182c5fe0a493a39cebc8c9cefcbdab7d4ccb7d9dc0680ffa1fe11d4
05 R a4165b58b7b1e16a91a84d944b213d74338c44f109c4e934c07e8a045a808599
06 L 6dfbce0b1885cd7968fe2915c6eddf7a15bb4a4a53f36f770f9187da7fff07be
root caa0b55098dd5420e294a0fe691ab93db1cd3ec2d5bb00382c60d9eab20c61e2