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 - CAMARINES SUR 4TH Award a ₱1.9M contract to HRB CONSTRUCTIONNational agencies

Transaction hash:

272df05fc03be1d2db044cd874af9c254d85ecf971d9c86a0ac4dd657cdd6d9c

Status:

Included and unchanged

Block:

#4,413 1,600 blocks after it

Position in block:

Transaction 34 of 234

Award day:

Apr 7, 2021 (5 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAMARINES SUR 4TH

To:

HRB CONSTRUCTION

Value:

₱1,879,218.50

Project:

21FG0087 - 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 - CAMARINES SUR 4TH

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 #4,413 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 LP", 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 - CAMARINES SUR 4TH awarded it to HRB CONSTRUCTION on 2021-04-07.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 21FG0087: 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 2021-07-01). 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 272df05fc0…dd6d9cnow …
2. Block Merkle root changed
stored 32d3f3901e…14c283now …
3. Block #4413 hash changed
stored 4925e7de09…baccd9now …

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

leaf 272df05fc03be1d2db044cd874af9c254d85ecf971d9c86a0ac4dd657cdd6d9c
01 R 274e6339eca0bfd19fc2fa13f1e2c51d05d4a3fffe76e9a9c970bd2fc71ed5f3
02 L 2ffed91ec1320f802864cb14b6d3534e413294565cecb6b60daf7809451a8998
03 R 24078bd6105b7c29c1f5187b65502a340a2c339593574ff4c2e08bcd3cd62f0d
04 R eac5b8da0489e3054f5dd1559b29f7a927f6ef6f8ff59adf23f30427ab0cf525
05 R 003b05f3e169c5e54e8c6d0d3ec89f96fca5e1678a2b4f9a6b9c83df07ab8c19
06 L 9de080628e31707a94455cb849a07891e88ad3cc19493cbccf0c23976ee30dab
07 R 2f6bf9dfd95781e81d9c0b2aa0da6aad13686d93569d519d3c879e732ebec6db
08 R ab64e3e31d7f7a0903df3afb51b8a4cd4f9a3a613d786675f3eab43ad7f4a13e
root 32d3f3901ec496085d19d199183265e36bcabfac91957fcf147c74698314c283