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 - BATAAN 2ND DEO Award a ₱22.8M contract to E.R. VENZON CONSTRUCTIONNational agencies

Transaction hash:

68edeeb2f5b64db4cf28994dc3405000327fb2d8fb7bb9a625bc916c81a4971c

Status:

Included and unchanged

Block:

#3,144 2,869 blocks after it

Position in block:

Transaction 67 of 157

Award day:

Jul 26, 2017 (9 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATAAN 2ND DEO

To:

E.R. VENZON CONSTRUCTION

Value:

₱22,797,609.13

Project:

16CB0122

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATAAN 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 #3,144 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 2016 DepED BEFF, Outside Infra - GAA 2017 DepEd BEFF", i.e. the FY2016 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 - BATAAN 2ND DEO awarded it to E.R. VENZON CONSTRUCTION on 2017-07-26.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 16CB0122: 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 2019-02-20). 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 68edeeb2f5…a4971cnow …
2. Block Merkle root changed
stored c57bf66bbe…4ff17enow …
3. Block #3144 hash changed
stored 123f08179b…eb8407now …

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 68edeeb2f5b64db4cf28994dc3405000327fb2d8fb7bb9a625bc916c81a4971c
01 L 6792628a48381ed5b248049fa03f1087b8cb64d56d105d76b348f0935fd4f9c2
02 L d8ccaf8c95cd476732aaa86d378ffe02008770b7faed5a8730d8b759f0d11295
03 R badc0323b3ae432ebe5e7d2d5a2afd3011260182251be9423de4caf01833c642
04 R f20c0546dd5e5127ccf999752a7457b90414e4840f105e46d30e7114697433df
05 R 1e7f285ddf57da3ca85d56b0b960dc29ee720df9ef5445abbe102d578bf78a05
06 R 8b0af1f0db18f3d748b878984c4e20610fc3ccb53c0cb717493c3f9404463405
07 L 6b292a787204c9c06c5ed285424d207fbfb827a24a5f467742e3cc94530bcc7e
08 R bbd2bde28003decf4e3903db88820032ff6e88743153e3ee1d95657501b0428f
root c57bf66bbed0c3f1ca7d286c76a138c1f1c23b3d47a51575329d8721f94ff17e