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 ₱9.7M contract to AZUL BUILDERSNational agencies

Transaction hash:

c817ec4572a554dbaf46ddc8778bdf36174d939fb9ccebce3decd63b4d3f3c74

Status:

Included and unchanged

Block:

#4,828 1,185 blocks after it

Position in block:

Transaction 128 of 157

Award day:

Jun 15, 2022 (4 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 2ND DEO

To:

AZUL BUILDERS

Value:

₱9,681,698.63

Project:

22CD0138 - 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 #4,828 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 2022 CSSP", i.e. the FY2022 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 AZUL BUILDERS on 2022-06-15.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 22CD0138: 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 2023-02-01). 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 c817ec4572…3f3c74now …
2. Block Merkle root changed
stored fd6b3d5b97…82b09dnow …
3. Block #4828 hash changed
stored 31ee5d7eeb…d0c315now …

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

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 156 records. Each step hashes the current value together with the sibling shown.

leaf c817ec4572a554dbaf46ddc8778bdf36174d939fb9ccebce3decd63b4d3f3c74
01 R c9aa3d46380daf73358f8e7927bf77caa8e1015d783fe53fe369e0b99583991f
02 R cf4f2e03aa35086ea05234528495e24d2657c945d70da934530f02028bbffd5c
03 R bfb92ff5b53263c9cbfe4df880a40ff60fcf9dd52a2158874c462b7b9a02b18b
04 R 3facb2b0749058c95a209cc3f8bdf869f0c18fa8a6323d9fecf370afcdf72429
05 R dca06789d1eb163231556f24c60ade32bfdd0d3836f6d0da212602a7aa3b8346
06 R 4a60010cb5b9eaefd8f50e42046d7bc9db5910d47223dc4ad6e08504082dcff0
07 R 97d10b87c8c302652135aece059b3bd66c68fe73ecb9984d38c4d3ba57b64f4e
08 L ff877841f59aeea92e6799e3d6494b6e3a4d821d9aae4970c03f951ea1cb38d6
root fd6b3d5b97a34cc4799f7d34dd1c355f8b776043ab79964fbff65d659282b09d