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, NORTHERN SAMAR 2ND Award a ₱9.6M contract to JUPA CONSTRUCTIONNational agencies

Transaction hash:

8d155aa101b7cc6b97fa8eacceeff4687d69713efea93676ef5e2f5ac615081e

Status:

Included and unchanged

Block:

#646 5,367 blocks after it

Position in block:

Transaction 14 of 26

Award day:

Jul 21, 2009 (17 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS, NORTHERN SAMAR 2ND

To:

JUPA CONSTRUCTION

Value:

₱9,618,939.04

Project:

Concrete Paving along Junction National Road - Brgy. Aguadahan Farm to Market Road

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS, NORTHERN SAMAR 2ND

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 #646 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, NORTHERN SAMAR 2ND awarded it to JUPA CONSTRUCTION on 2009-07-21.
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 8d155aa101…15081enow …
2. Block Merkle root changed
stored 0bb0d89d47…facf9fnow …
3. Block #646 hash changed
stored 6acb1a3a1b…4238d6now …

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

leaf 8d155aa101b7cc6b97fa8eacceeff4687d69713efea93676ef5e2f5ac615081e
01 R 99fd3e4a19cf6869ea6465b078774c19e135e3336c9e0dd466dbce2f00aaf779
02 L 8356f850f24d88d07a7093797b0c87cd5f25aa88f9971633f3117675174f6984
03 L 7ba357381a9f9ba1065398a9dd13214646d425b4bc02ee07eb301285cff05a20
04 L 26a13a3ef466266d22aa47ff68a945b9b66f7d72728d2fc4b370b18e1a2b751e
05 R c3320143be749ddcccfbe54ad35886e07fbaa4e3cc5b3acaf3c922cbf43c92c4
root 0bb0d89d4773d30c26b5dc8e4f076f7eeb603b3700c06c254ec7efc42afacf9f