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 - REGION X Award a ₱2.7M contract to ALFAHAD BUILDERS AND ENTERPRISESNational agencies

Transaction hash:

6756cbbef64cceca95b7722a5bfa25babd72958b15311cfe015505c7c7c8338c

Status:

Included and unchanged

Block:

#4,071 1,942 blocks after it

Position in block:

Transaction 23 of 53

Award day:

Apr 3, 2020 (6 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION X

To:

ALFAHAD BUILDERS AND ENTERPRISES

Value:

₱2,713,562.63

Project:

19K00437

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION X

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 #4,071 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 DepEd BEFF", 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 - REGION X awarded it to ALFAHAD BUILDERS AND ENTERPRISES on 2020-04-03.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 19K00437: 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 2020-12-27). 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 6756cbbef6…c8338cnow …
2. Block Merkle root changed
stored cc7eb30593…8bd5c9now …
3. Block #4071 hash changed
stored e535570af3…5df47bnow …

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

leaf 6756cbbef64cceca95b7722a5bfa25babd72958b15311cfe015505c7c7c8338c
01 L 515a968f743da8e4e77d76fcaa11c088a2a2cc6ac0cc7545f518ea2582f532fe
02 L db34fc76c0951966daffec9bed5e989ae494e9bcd3f3a74fef34425be139f810
03 L bfe687271ab37a620252b17a5595448fdb9793e860211a101704da1e8d634dde
04 R 9c2bd638ea0d3953a084ba04824743c1094fb5a5e92db7459ff126d83f41d53c
05 L 925f086400b8892fa542507448daaad74c60fc16b45a90c723ee8f5134f0d19a
06 R c7793c4d607d26cc70e697e54db5d1cd6f7cc29db658e6a5f64d884efaaccfa6
root cc7eb3059394e61af2910880fc35826f61a47fc6341d65b374e256413d8bd5c9