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 ₱1.6M contract to CHRISTIAN LEY CONSTRUCTIONNational agencies

Transaction hash:

4f980ce10c207d1e090cc464f35859d13edfeb43ef1ba43f9f878ef97817d1e5

Status:

Included and unchanged

Block:

#860 5,153 blocks after it

Position in block:

Transaction 3 of 7

Award day:

May 13, 2010 (16 yrs 6 mo ago)

From:

NATIONAL IRRIGATION ADMINISTRATION - REGION IV

To:

CHRISTIAN LEY CONSTRUCTION

Value:

₱1,629,027.35

Project:

Invitation To Bid for the repair of Macabling River Irrigation System

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 #860 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 CHRISTIAN LEY CONSTRUCTION on 2010-05-13.
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 4f980ce10c…17d1e5now …
2. Block Merkle root changed
stored 3fd313b792…c0a8afnow …
3. Block #860 hash changed
stored f9f79008f0…d597eanow …

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

Merkle proof (3 steps)

How this one record is tied to the block's Merkle root, without needing the other 6 records. Each step hashes the current value together with the sibling shown.

leaf 4f980ce10c207d1e090cc464f35859d13edfeb43ef1ba43f9f878ef97817d1e5
01 L 4db3e3998035023f5b4a22b638acc7b0c09b3a09b30bfc3876d1e651c7278efc
02 L 7900874f9fc0b3e82230835d34361c0ee31ae707c9e23b49d2b8fea03dc43e01
03 R 48fcc269318c4daa207cc0fb9594b7987ced33b29ee80c35388a967a0b1af72c
root 3fd313b7927865e632f73c7087c14c40d7d560d749dbadb8e8dc1402f6c0a8af