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 1ST D Award a ₱2.7M contract to TMT CONSTRUCTIONNational agencies

Transaction hash:

cd7a4cd237b7cf1c50b906ae8c2b95069333227f444c47fd219729d42d205d64

Status:

Included and unchanged

Block:

#4,057 1,956 blocks after it

Position in block:

Transaction 60 of 84

Award day:

Mar 19, 2020 (6 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS NORTE 1ST D

To:

TMT CONSTRUCTION

Value:

₱2,731,647.15

Project:

20AA0266

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOCOS NORTE 1ST 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 #4,057 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 "Regular Infra - GAA 2020 LP", 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 - ILOCOS NORTE 1ST D awarded it to TMT CONSTRUCTION on 2020-03-19.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 20AA0266: 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 2020-08-31). 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 cd7a4cd237…205d64now …
2. Block Merkle root changed
stored c77a6d426f…624fe8now …
3. Block #4057 hash changed
stored 15023910f3…83d8e7now …

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

leaf cd7a4cd237b7cf1c50b906ae8c2b95069333227f444c47fd219729d42d205d64
01 R ce7c95679cbea9db5bc5dcfb11ef49f0e528f446fd5ef823baae0bda5f29110d
02 R 58b18ab9b6be9b8b7df67105698bf0370ce1eb1508c4e7dd8f70ed10a254dc7c
03 L 1d412f97d3343ace6a5fd3478f4a216e9a742e9f8ab8e9facfa0150deac268bb
04 L 342a84c85b815abd0534734d66fc1586412b9de987ad2a4b4674d03383eff108
05 L 3b0f64daba44380cf6e974a38fc9a32b37b48a7662f0d3c16feee710c0585366
06 L 927c826645840be9656a64b67684904a464f580db8716c535e7266748a71c4ff
07 R 6d3da3468a131570bb511850d91c7cdf53640a31783a2cc2e817c084eee86acc
root c77a6d426fb7bf173ed2f9b92eaca60589f2be1b96c4cef4dfe53c4af6624fe8