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 2ND DEO Award a ₱4.8M contract to 1199S CONSTRUCTIONNational agencies

Transaction hash:

de67ac6763c2e0a877cd2aa5cd891d2c4a6f1be90d9f0b1e2c2ae4c315c896e5

Status:

Included and unchanged

Block:

#5,791 222 blocks after it

Position in block:

Transaction 84 of 100

Award day:

Mar 5, 2025 (1 yr 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 2ND DEO

To:

1199S CONSTRUCTION

Value:

₱4,750,447.89

Project:

25CD0125 - Construction of Multi-Purpose Building

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 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 #5,791 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 2025 SSP", i.e. the FY2025 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 2ND DEO awarded it to 1199S CONSTRUCTION on 2025-03-05.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 25CD0125: 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 2025-09-12). 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 de67ac6763…c896e5now …
2. Block Merkle root changed
stored 2707007d19…4311eenow …
3. Block #5791 hash changed
stored be6d049d91…a4c5b8now …

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

leaf de67ac6763c2e0a877cd2aa5cd891d2c4a6f1be90d9f0b1e2c2ae4c315c896e5
01 R df6436727188e2c6a396dcf0aa59d3bf64cd575f504fd5c568ae9918d1fe4568
02 R e7986cae78eff969f5627c48f58c0ae20708e1453d61a93a3ceb7c679f09e4c0
03 L 4ab0676eefd0946cab369c707bfe4cc758a72988a210d0aec92a9563767602c2
04 R b8e959d17b9f4f49e4be900d42353b03a124a54e1b03fde06e01b6fa0b49e67f
05 L bdef508c665c719372fb2bea5319ba5d23b83cc8238f03b17dbfaf60ebc8eacb
06 R 0adaf873711c627d64a50106b7284bc984bb9fc10c6746f480037985680b19c0
07 L 8e012337e404af3fcd5244775399ea1b09e1fad890f6f9396214d2d93a18f704
root 2707007d19b19c0f2ea691136f809e59b322041368128e48681f47d8394311ee