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 - CAGAYAN 2ND DEO Award a ₱4.5M contract to OLIVA DESIGN AND CONSTRUCTIONNational agencies

Transaction hash:

9f2d2c3079ebdeaf0d05cd8a5363263f5be5c0cf4549c6adab859e237e7cfcf6

Status:

Included and unchanged

Block:

#4,192 1,821 blocks after it

Position in block:

Transaction 106 of 176

Award day:

Aug 14, 2020 (6 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAGAYAN 2ND DEO

To:

OLIVA DESIGN AND CONSTRUCTION

Value:

₱4,504,783.04

Project:

20BC0164 re-adv. - Construction of 1 Storey 2 Clas

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAGAYAN 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 #4,192 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 2020 DepEd BEFF", 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 - CAGAYAN 2ND DEO awarded it to OLIVA DESIGN AND CONSTRUCTION on 2020-08-14.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 20BC0164: 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 2021-03-06). 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 9f2d2c3079…7cfcf6now …
2. Block Merkle root changed
stored 7237e912ed…e16ecanow …
3. Block #4192 hash changed
stored 61d64662e6…0ffd68now …

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

leaf 9f2d2c3079ebdeaf0d05cd8a5363263f5be5c0cf4549c6adab859e237e7cfcf6
01 R a073d9f9a0df880235c0d0df7471e344debcc2f9cdd0b9a2b70c6031c5b58ca9
02 L f1268f4e7b1775c652a2de486a51260f7a8d487024e1f220f7b68e3604f08c23
03 R 4d74af31693d767a8aa0ab4d9040ad5cb29816c57226c97c77fce0bcee19f946
04 L 3f13aa485d24fd9b6b4e5fb9c079268c2a46dcb48afbd5ef6ab1d3452e017263
05 R d66ec3b1d42e976dd707bbc4c50466fabca47ae0144d98fb8e6dd4e54c64400e
06 L e1be6069567ff9cf3cef399a848fb292cbeab6a409e8ce1ec22cae78d4f5faa3
07 L e85fbaca54adc2a8b985d63b09ef1e3024aed86e5cb6007e1ea887dffa043ab4
08 R 38215cccda3f6cbbbf91f347bb6a80655d82b98ba59d8cc7d68594de6af874c0
root 7237e912edf0f767d92beced0f09811bb9d85e16ad82a9aab9ab1e856ce16eca