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 ₱593.9K contract to D.M. CATIGNAS ENTERPRISESNational agencies

Transaction hash:

b897759bc040afba331e2989bb71ea8bd2ff1bf273008a0998b81b0faa0b050c

Status:

Included and unchanged

Block:

#854 5,159 blocks after it

Position in block:

Transaction 4 of 5

Award day:

May 6, 2010 (16 yrs 6 mo ago)

From:

NATIONAL IRRIGATION ADMINISTRATION - REGION IV

To:

D.M. CATIGNAS ENTERPRISES

Value:

₱593,850.59

Project:

Invitation To Bid for the repair of Sta CRuz RIS Sta Cruz, Laguna

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 #854 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 D.M. CATIGNAS ENTERPRISES on 2010-05-06.
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 b897759bc0…0b050cnow …
2. Block Merkle root changed
stored 09353f6e76…8a51a7now …
3. Block #854 hash changed
stored f1a57e8eb4…7ace59now …

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

leaf b897759bc040afba331e2989bb71ea8bd2ff1bf273008a0998b81b0faa0b050c
01 R b897759bc040afba331e2989bb71ea8bd2ff1bf273008a0998b81b0faa0b050c
02 R d03ea9308aea5ff748db76fa9e9acba6e2345c6bfdf765006e61c0e6e1e0ef73
03 L e12ae7267afd713e7225cbb3ae9257a0c47cafe25a049ea90e37bec59059e00d
root 09353f6e7608f786b3ebfa7dcccd15cadc7a4ada57b1f13d252b21cf038a51a7