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 - LANAO DEL NORTE 1S Award a ₱64.6M contract to NDP CONSTRUCTION DEVELOPMENTNational agencies

Transaction hash:

a0fe5171b4e267da1d41bbd2bc6249ce9587248b5bff4cf106f1eaed65c21751

Status:

Included and unchanged

Block:

#4,815 1,198 blocks after it

Position in block:

Transaction 92 of 150

Award day:

Jun 1, 2022 (4 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LANAO DEL NORTE 1S

To:

NDP CONSTRUCTION DEVELOPMENT

Value:

₱64,602,031.20

Project:

22KG0043(R)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LANAO DEL NORTE 1S

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 #4,815 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 - LANAO DEL NORTE 1S awarded it to NDP CONSTRUCTION DEVELOPMENT on 2022-06-01.
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 a0fe5171b4…c21751now …
2. Block Merkle root changed
stored 31c93059d4…92ba93now …
3. Block #4815 hash changed
stored 6f66f48c46…508955now …

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

leaf a0fe5171b4e267da1d41bbd2bc6249ce9587248b5bff4cf106f1eaed65c21751
01 R a1da2b0cf8c2f1335136a06d0ddcec97898b1cf32fe41d62ffc6963569f128f5
02 R fb8cebfcda7550d52a18983fb43f621360c7652f4d75d9e8af7948556aff7010
03 L c05803496d91029aa45fa64123e91b7b0bfa5fdfea1a792c075eedd805cd1b93
04 L c05adbdc53bdccfd022e854c1adf7a66e40a3e4da09fa7440a4471eac78b9a47
05 L b60f9c20235684f989c59d674ffe9433a141b9159209fefbb636f13fcec200e4
06 R c6bbd4723e658261fb32f7484464c61a4e5123e8c69558a97a2687f241a66f84
07 L fc766c62122b9916bce5fda7ac39185bf840ff8d51ce013c36e640d2ccd86c60
08 R 9f3746512effd072c983a5c41a006b39c2723990c715f01efc9316e5e43e5151
root 31c93059d4a1abec3db915a72ebdab852a6a593202f0eaa8da371abae592ba93