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 - AKLAN DEO Award a ₱1.9M contract to SILVERGRACES CONSTRUCTION & CONSTRUCTION SUPPLYNational agencies

Transaction hash:

c130f1237bc0a3c641720ab49b17afe8a100e2af25fea995b2750fd602ac2159

Status:

Included and unchanged

Block:

#3,545 2,468 blocks after it

Position in block:

Transaction 162 of 209

Award day:

Sep 27, 2018 (8 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - AKLAN DEO

To:

SILVERGRACES CONSTRUCTION & CONSTRUCTION SUPPLY

Value:

₱1,900,979.05

Project:

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 - AKLAN 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 #3,545 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 2018 LP", i.e. the FY2018 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 - AKLAN DEO awarded it to SILVERGRACES CONSTRUCTION & CONSTRUCTION SUPPLY on 2018-09-27.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 18GA0187: 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 2019-03-04). 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 c130f1237b…ac2159now …
2. Block Merkle root changed
stored 250f76a686…864f8fnow …
3. Block #3545 hash changed
stored 9b311bee24…1a649cnow …

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

leaf c130f1237bc0a3c641720ab49b17afe8a100e2af25fea995b2750fd602ac2159
01 R c30bc0e41851abf3acc50614c9e4d34fb8f36278652d5aebb3c8aca6f568b534
02 L 444cfc217d584d20cb16544411e748d1eba977a3ba46c2a4cd71ebdb14457331
03 R e340449ac71b326740255373608b43c8eaa78e8a2a3b095012e3a0bbc904304c
04 R 26475489401fd5dcd0e9cfa32fea20c75ccca3fd0e932209b068401cc525c003
05 R 2f3c54e11647223ec07f062ec52aabb4703f1488838d40fe5618bbba71f5ba21
06 L 1414455026b7b0e9b8bd2722f5f38e276b390237ddb34fc9dcfc3639dce5b9e8
07 R cf9553d5d7cc58cbf531b65678832b95931f78bcd9b1c7821ef5dc81b6018234
08 L 923132565a711f4b5b750d7a83e83646b06424beeb757b3350a5e72116e7cf68
root 250f76a68665aa0e306b1e5a2c2e28a1866391f1d5c3aafeb59479f096864f8f