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 - COMPOSTELA VALLEY Award a ₱2.5M contract to R. SEMILLA CONSTRUCTION AND MARKETINGNational agencies

Transaction hash:

ad8b2aaa1841fecc86220c5d475553e73d804723d8361955f799448dc34e85eb

Status:

Included and unchanged

Block:

#3,129 2,884 blocks after it

Position in block:

Transaction 73 of 107

Award day:

Jul 11, 2017 (9 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - COMPOSTELA VALLEY

To:

R. SEMILLA CONSTRUCTION AND MARKETING

Value:

₱2,523,477.24

Project:

17LA0153

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - COMPOSTELA VALLEY

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 #3,129 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 2017 LFP", i.e. the FY2017 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 - COMPOSTELA VALLEY awarded it to R. SEMILLA CONSTRUCTION AND MARKETING on 2017-07-11.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 17LA0153: 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 2017-09-12). 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 ad8b2aaa18…4e85ebnow …
2. Block Merkle root changed
stored 5acf1f8237…e42c7cnow …
3. Block #3129 hash changed
stored c633ef4601…f48b0enow …

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

leaf ad8b2aaa1841fecc86220c5d475553e73d804723d8361955f799448dc34e85eb
01 L a79719c9a050015cdb3dcd3980a788103adfb8da3c50ea7f1e18b5e6dc1b2027
02 R ea3c84a967136db2e50cffb9e53706b82015aebf06323af4b96af97469cdef10
03 R 7593dfe31980114698c127fa0354f889dd5ebf432a07b9d5ec83530fcb179775
04 L 29704037ea98440f227621cebaf50d7c9b322bba4a26c3602741505b8fb383a5
05 R 336a30b645f69be9bc4eae9e9e3c77f0ad2c384bcccf45a19eb0b64292d9650a
06 R 05cab98722dd7ba93b20f15da71f55b15a00f8a03fd68129500d01f367716fb8
07 L 58f63c76ae4b5800765fc977a0356482bf992f1c6e764ac5563f831fb654e8e4
root 5acf1f8237c5b004bd014a1e4cecfa9704221b8ed49e107620cdb3bd84e42c7c