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

NATIONAL IRRIGATION ADMINISTRATION - REGION IV Award a ₱823.0K contract to M3A CONSTRUCTIONNational agencies

Transaction hash:

0b4e19d78e8d54c13166f99522829cab285ad7549cc88bb6e5765b3fc3c1ba80

Status:

Included and unchanged

Block:

#1,022 4,991 blocks after it

Position in block:

Transaction 3 of 30

Award day:

Dec 9, 2010 (15 yrs 11 mo ago)

From:

NATIONAL IRRIGATION ADMINISTRATION - REGION IV

To:

M3A CONSTRUCTION

Value:

₱823,009.48

Project:

Invitation To Bid for Palay-Palay CIS Jala-Jala, Rizal

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

NATIONAL IRRIGATION ADMINISTRATION - REGION IV

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 #1,022 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)
NATIONAL IRRIGATION ADMINISTRATION - REGION IV awarded it to M3A CONSTRUCTION on 2010-12-09.
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 0b4e19d78e…c1ba80now …
2. Block Merkle root changed
stored dd702cd756…79449dnow …
3. Block #1022 hash changed
stored ba10c90f5c…e6eef6now …

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

leaf 0b4e19d78e8d54c13166f99522829cab285ad7549cc88bb6e5765b3fc3c1ba80
01 L 0833e1ed39075c1999695b23e9ae0b523e8e6c55d2f7a5cc7d588d056a9c1127
02 L 851839d658f9d701454b50128ce1ff794ac7ec6d700381a7cd40f2060d036b58
03 R 083ca0671b93ddedef5fdd5fb8fbfd84a6093e739326b9a89f8590849caa7885
04 R 59209820b839041f1f22d9f843cab1c32dfbc956329749c5a3a3228955c3c71d
05 R 7eb9c3d86a0afef3c69f8396ba283b517dc63a378adf6addab49f592b52c1e77
root dd702cd7569a6dd924b5d91f85512edff129c58ad848f11bdcc7778ddb79449d