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 ₱17.0M contract to R.R. SEISMUNDO CONST. AND SUPPLYNational agencies

Transaction hash:

61d582a67e3ff558c792c6122d4ef5a0c8a8e6bc4f0487310e213c7c649b5632

Status:

Included and unchanged

Block:

#1,087 4,926 blocks after it

Position in block:

Transaction 10 of 32

Award day:

Mar 3, 2011 (15 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - COMPOSTELA VALLEY

To:

R.R. SEISMUNDO CONST. AND SUPPLY

Value:

₱16,989,579.86

Project:

Preventive Maintenance, Asphalt Overlay along National Arterial Road, Daang Maharlika(MN), KM.1377+(-)20-kM. 1378+673.5

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 #1,087 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)
The award does not say which budget line pays for it.
Not published
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.R. SEISMUNDO CONST. AND SUPPLY on 2011-03-03.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
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)
No completion certificate published.
Not published
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

1 of 8 documents found, 0 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 61d582a67e…9b5632now …
2. Block Merkle root changed
stored a4893126d3…5c8c29now …
3. Block #1087 hash changed
stored 2fab6bbb56…d65a20now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 31 records. Each step hashes the current value together with the sibling shown.

leaf 61d582a67e3ff558c792c6122d4ef5a0c8a8e6bc4f0487310e213c7c649b5632
01 R 621de73f585ef955aee612baa00d9075eed421fe846d78a50dc8e1d622bec94c
02 L ec80df96eaa4a5e1cd9b292bac288d3e8bfa5e99a8999a761e0633f55b757b1c
03 R eea1794780fd43f97b23e9e526f058fbbb8527554e1d8b0a26f8394c3ca46827
04 L 41840829a6cab9f3e14c19cb852af005f1d884e11d16ccf7673bbdeeaf9114e5
05 R d1fda49fcfd26839dddddaefcf470102b57cc9bc71e81cd31a8bf37c2c037124
root a4893126d37ae5b735da67b9a8fc4a12701f17d6b165409849a9f0b2815c8c29