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 - REGION IX Award a ₱48.6M contract to ESR CONSTRUCTION & DEVELOPMENT CORPORATIONNational agencies

Transaction hash:

df9613670a8bdb522f44ffa76ff78bb0794c632fb4e3d7ccc5d7e51dfabf6782

Status:

Included and unchanged

Block:

#4,116 1,897 blocks after it

Position in block:

Transaction 96 of 105

Award day:

May 28, 2020 (6 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION IX

To:

ESR CONSTRUCTION & DEVELOPMENT CORPORATION

Value:

₱48,552,640.69

Project:

20J00083

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION IX

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 #4,116 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 2020 LP", 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 - REGION IX awarded it to ESR CONSTRUCTION & DEVELOPMENT CORPORATION on 2020-05-28.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 20J00083: 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 2021-01-01). 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 df9613670a…bf6782now …
2. Block Merkle root changed
stored 72bd75766e…f757b8now …
3. Block #4116 hash changed
stored efb5d796a4…20cbbanow …

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

leaf df9613670a8bdb522f44ffa76ff78bb0794c632fb4e3d7ccc5d7e51dfabf6782
01 R e2fcef5e177090da1979e2aaa94fa08b70363e862c6cc71558f7522779dc93da
02 R e1971f8e6880fa5cd4e0db55a8bdc47d941c1ebc608bfa4b56e32d35e34898db
03 R 91811a767d20023d1744dc29c1a5468111b2a31e8c224c80c5bf9175d915a356
04 R e2451ebda0a8a870c480cec349aaf4f52bc400e82bbe4c8c77170dee0d78bff6
05 R 0e230193d16e5c690636cbc7f3918c3be323ac6d71aac911cc14db512341d79f
06 L d1f9a9efdfc888b6dd0c35c3a66e0c00f4481cbe7002b1f37e29ab93e53f4475
07 L 7209477c3562763ce02f68a682bdefa323bb84bee6b0c65f54ff903aedba6644
root 72bd75766e836ec810614663a70d85d5e4857c6e39248f94c5582daab6f757b8