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 - CEBU 2ND DEO Award a ₱29.4M contract to QM BUILDERSNational agencies

Transaction hash:

fb4e78b7fab41c856d2b6f4364f1e7acc73641a4efbe1b8f2ce3fa5cc88e5ac4

Status:

Included and unchanged

Block:

#5,019 994 blocks after it

Position in block:

Transaction 413 of 422

Award day:

Dec 27, 2022 (3 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CEBU 2ND DEO

To:

QM BUILDERS

Value:

₱29,350,000.00

Project:

21HE0191

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CEBU 2ND 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 #5,019 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 2021 Augmentation", i.e. the FY2021 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 - CEBU 2ND DEO awarded it to QM BUILDERS on 2022-12-27.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 21HE0191: 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 2023-05-02). 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 fb4e78b7fa…8e5ac4now …
2. Block Merkle root changed
stored d7fd873d46…58bb93now …
3. Block #5019 hash changed
stored d82d0b27ca…fef4ccnow …

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

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 421 records. Each step hashes the current value together with the sibling shown.

leaf fb4e78b7fab41c856d2b6f4364f1e7acc73641a4efbe1b8f2ce3fa5cc88e5ac4
01 L fa998c0a278427f2edb3a9b314fe8a896306069232f3437c108a29f85fa912ce
02 R 4f8a6f00a1977da017e6b3839298a8f5abacb1d39331b2efad6af0e87e284252
03 L a2787c8865dae88fb408ccd0fa1385201034e5e7a0ee17cc72d10f46939bafe7
04 L 16a92ca5ff8ad71d28625d7218ae92a9748ca6de3438fd33274659a5e1d055fc
05 L 6a3724018c5e8c293c48a090a361c554b55783878fc9ffb8c9e7963ef597cbcc
06 R efb79d69b17added7e19ba84f31debd21e0080602e328f0d17d6c0ab2188ba24
07 R 03555251ead67201c54460af772e33ac15702a52b54fe7de1e9a1eb9802a73ad
08 L 2ec903c6353c5b5a2bb269e4db741a42bf1936ff48b5d0dec7cc2d30ade8babb
09 L a83ead0d92d8949a6ccf01629409070b4ed5a9eaa8015b02c68172fdb6232b9b
root d7fd873d460091088afb9214667b0070d37613b54017e947604b7c525b58bb93