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 - APAYAO 2ND DEO Award a ₱372.5K contract to DJ DAYAG CONSTRUCTIONNational agencies

Transaction hash:

4b81abd8e75e65dfa025bd34c35fb2166b76607d9a4377982d13a54667e97f0f

Status:

Included and unchanged

Block:

#1,549 4,464 blocks after it

Position in block:

Transaction 18 of 59

Award day:

Sep 3, 2012 (14 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - APAYAO 2ND DEO

To:

DJ DAYAG CONSTRUCTION

Value:

₱372,489.19

Project:

Repair/rehabilitation/improvement along Kabugao-Pudtol_luna Road

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - APAYAO 2ND 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 #1,549 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 - APAYAO 2ND DEO awarded it to DJ DAYAG CONSTRUCTION on 2012-09-03.
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 4b81abd8e7…e97f0fnow …
2. Block Merkle root changed
stored ab62ed3840…32a7fdnow …
3. Block #1549 hash changed
stored 563c73fd65…e688eenow …

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

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 58 records. Each step hashes the current value together with the sibling shown.

leaf 4b81abd8e75e65dfa025bd34c35fb2166b76607d9a4377982d13a54667e97f0f
01 R 500ec1a5c0fb38f10a1f88fab0a1bd3b74d8bc597cf8e9622c67a43544751545
02 L 6f1e86703838827d86d8ff9d4528c72ceb5ec83c2ecf895a3cd9b944186ac2b9
03 R d4c41e1e14b3e2f0c24413961c0758b9ca9e160c363a182dd8b6c41a8853f519
04 R afdc177bd89fc8ec30350fe534be467bd179df9635bc24ec19559f0c962dabce
05 L 75d5c1c28a10717500776da6ec56097d2ab3ad511a55de6f56b926a2917db74c
06 R cd4fef07c67cc587b2cafae7d2748f2271ffe867c7c828e4709cba7b33eb35fb
root ab62ed3840253b76529ff81d6f919d228843fcd62168f181f75d313bb632a7fd